소음ㆍ진동관리법

Article 1Purpose

The purpose of this Act is to enable all citizens to live in a calm and tranquil environment by preventing any damage due to noise and vibration generated in factories, construction work fields, roads, railroads, etc. and by properly controlling such noise and vibration. <Amended on Jun. 9, 2009>

Article 2Definitions

The terms used in this Act are defined as follows: <Amended on Jun. 9, 2009; Mar. 22, 2013; Aug. 13, 2013; Jan. 19, 2016; Oct. 1, 2025>1. "Noise" means strong sounds produced by the use of machinery, tools, facilities, and other material objects, or by activities of people in multi-unit housing (referring to multi-unit housing defined in subparagraph 3 of Article 2 of the Housing Act; hereinafter the same shall apply) or other places prescribed by Decree of the Ministry of Climate, Energy and Environment;2. "Vibration" means any strong swaying movements generated by the use of machinery, tools, facilities, and other material objects;3. "Noise and vibration emission facilities" means machinery, tools, facilities, and other material objects of factories, which produce noise and vibration, and which are prescribed by Decree of the Ministry of Climate, Energy and Environment;4. "Noise and vibration preventive facilities" means facilities eliminating or reducing noise and vibration emitted from noise and vibration emission facilities, which are prescribed by Decree of the Ministry of Climate, Energy and Environment;5. "Soundproof facilities" means facilities eliminating or reducing noise produced from material objects, other than noise and vibration emission facilities, which are prescribed by Decree of the Ministry of Climate, Energy and Environment;6. "Vibration-proof facilities" means facilities eliminating or reducing vibration produced from material objects, other than noise and vibration emission facilities, which are prescribed by Decree of the Ministry of Climate, Energy and Environment;7. "Factory" means a factory defined in subparagraph 1 of Article 2 of the Industrial Cluster Development and Factory Establishment Act; provided, this shall exclude airplane service factories in airport facilities determined pursuant to Article 12(1) of the Urban Planning Act;8. "Means of transportation" means trains, motor vehicles, streetcars, roads, railroads; provided, this shall exclude aircraft and ships;9. "Motor vehicle" means motor vehicles defined in subparagraph 1 of Article 2 of the Motor Vehicle Management Act, and construction machinery defined in subparagraph 1 of Article 2 of the Construction Machinery Management Act, which are prescribed by Decree of the Ministry of Climate, Energy and Environment;10. "Noise-generating construction machinery" means the machinery that generates noise among the machinery used in the construction works, which is prescribed by Decree of the Ministry of Climate, Energy and Environment;11. "Portable sound system" means a small sound playback system that it is easy to carry (including mobile phones that have the music replay function), which is prescribed by Decree of the Ministry of Climate, Energy and Environment.

Article 2-2Responsibilities of the State and local governments

The State and local governments shall establish and implement policies for preventing damage due to noise and vibration and controlling noise and vibration, so as to create an environment that enables citizens to live more comfortably and healthily.[This Article Added on Mar. 22, 2013]

Article 2-3Formulation of comprehensive plan

(1) The Minister of Climate, Energy and Environment shall formulate a comprehensive plan for controlling noise and vibration (hereinafter referred to as "comprehensive plan"), every 5 years, to prevent damage due to noise and vibration and appropriately control noise and vibration, after hearing opinions of each Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Do Governor, or Special Self-Governing Province Governor (hereinafter referred to as "Mayor/Do Governor") and consulting with the heads of relevant central administrative agencies. <Amended on Oct. 1, 2025>(2) A comprehensive plan shall contain the following: <Amended on May 26, 2020>1. Objectives and basic directions of the comprehensive plan;

2. Measures to appropriately control noise and vibration;

3. The implementation status of measures to reduce noise and vibration by area and by year;

4. Research and studies on the effects of noise and vibration on citizens’ health;

5. Education and publicity programs for implementing the measures to reduce noise and vibration;

6. Fund-raising plans for implementing the comprehensive plan;

7. Other matters necessary to reduce noise and vibration.

(3) The Minister of Climate, Energy and Environment may modify a comprehensive plan, if deemed necessary, after examining the appropriateness thereof. In such cases, he or she shall hear in advance the opinions of Mayors/Do Governors and consult with the heads of relevant central administrative agencies thereabout. <Amended on Oct. 1, 2025>(4) When the Minister of Climate, Energy and Environment has formulated or modified a comprehensive plan, he or she shall give notice thereof to the heads of relevant central administrative agencies and Mayors/Do Governors. <Amended on Oct. 1, 2025>(5) The heads of relevant central administrative agencies shall formulate and implement their agency implementation plans by year (hereinafter referred to as "implementation plans") according to the comprehensive plan, and Mayors/Do Governors shall formulate and implement implementation plans for the relevant Special Metropolitan City, Metropolitan Cities, Special Self-Governing City, Dos, or Special Self-Governing Province according to the comprehensive plan and the implementation plans of the relevant central administrative agencies.

(6) The heads of relevant central administrative agencies and Mayors/Do Governors shall submit the next year’s implementation plans and last year’s implementation results under paragraph (5) to the Minister of Climate, Energy and Environment, as prescribed by Presidential Decree. <Amended on Oct. 1, 2025>(7) Matters necessary for formulation, etc. of a comprehensive plan and its implementation plans shall be prescribed by Presidential Decree.[This Article Added on Mar. 22, 2013]

Article 3Continuous monitoring

(1) In order to grasp the actual situation of noise and vibration throughout the country, the Minister of Climate, Energy and Environment shall install monitoring networks and conduct continuous monitoring. <Amended on Oct. 1, 2025>(2) A Mayor/Do Governor shall install monitoring networks and conduct continuous monitoring, and report the monitored data to the Minister of Climate, Energy and Environment, as prescribed by Decree of the Ministry of Climate, Energy and Environment, in order to grasp the actual situation of noise and vibration within districts under his or her jurisdiction. <Amended on Jun. 9, 2009; Mar. 22, 2013; Oct. 1, 2025>(3) If the Minister of Environment or a Mayor/Do Governor intends to install monitoring networks under paragraphs (1) and (2), the Minister shall consult in advance with the head of the relevant agency.

Article 4Determination and public notice of plans for installation of monitoring networks

(1) The Minister of Climate, Energy and Environment shall determine a plan for the installation of monitoring networks specifying the location, scope, area, etc. of such monitoring networks under Article 3(1), and publicly notify such plan under the conditions as prescribed by Decree of the Ministry of Climate, Energy and Environment, and make the drawings available for public inspection. This shall also apply in cases where such plan is modified. <Amended on Oct. 1, 2025>(2) The provisions of paragraph (1) shall be applicable mutatis mutandis to the cases where the Mayor/Do governor installs the monitoring networks pursuant to Article 3(2).

(3) The State may provide necessary financial and technical support to ensure that a plan for the installation of monitoring networks determined and publicly notified by a Mayor/Do Governor under paragraph (2) can be achieved within the target period.

Article 4-2Drawing-up of noise maps

(1) The Minister of Climate, Energy and Environment or Mayor/Do Governor may draw up a noise map showing the distribution of noise in a certain area and other relevant matters when deemed necessary for appropriate control of the noise produced by a means of transportation, etc. pursuant to Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(2) The Minister of Climate, Energy and Environment or Mayor/Do Governor may disclose a noise map through its Internet website, etc. once he or she has drawn up it under paragraph (1). <Amended on Oct. 1, 2025>(3) The Minister of Climate, Energy and Environment may provide a Mayor/Do Governor who draws up a noise map under paragraph (1) with technical or financial support necessary for the preparation and management thereof. <Amended on Oct. 1, 2025>[This Article Added on Jun. 9, 2009]

Article 5Deemed permission under other statutes

(1) When the Minister of Climate, Energy and Environment or a Mayor/Do Governor determines and publicly notifies a plan for the installation of a measuring network under Article 4, matters consulted in advance with the heads of relevant administrative agencies under paragraph (2) with respect to the following permission shall be deemed to have obtained the relevant permission: <Amended on Mar. 21, 2008; Jan. 14, 2014; Dec. 12, 2017; Jan. 30, 2024; Oct. 1, 2025>1. Permission on the execution of river construction works under Article 30 of the River Act and permission on the occupation and use of river under Article 33 of the said Act;

2. Permission on the occupation and use of roads under Article 61 of the Road Act;

3. Permission on the occupation and use of public water surface under Article 8 of the Public Waters Management and Reclamation Act.

(2) Where a plan for the installation of monitoring networks under Article 4 includes matters subject to any permission specified in the subparagraphs of paragraph (1), the Minister of Climate, Energy and Environment or a Mayor/Do Governor shall consult in advance with the heads of the relevant administrative agencies before determining and publicly notifying such plan. <Amended on Oct. 1, 2025>(3) Except as provided in paragraphs (1) and (2), Articles 24 through 26 of the Framework Act on Administration shall apply mutatis mutandis to the criteria for and effects of deemed permission under this Article and other relevant matters. <Added on Jan. 30, 2024>[Title Amended on Jan. 30, 2024]

Article 6

Deleted. <Jun. 9, 2009>

Article 7Permissible factory noise and vibration emission levels

(1) Permissible emission levels for noise and vibration emitted from a factory in which noise and vibration emission facilities (hereinafter referred to as "emission facilities") are installed shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(2) In determining Decree of the Ministry of Climate, Energy and Environment as referred to in paragraph (1), the Minister of Climate, Energy and Environment shall consult with the head of the relevant central administrative agency. <Amended on Oct. 1, 2025>(3) Where deemed impractical to maintain the local environmental standards under Article 12(3) of the Framework Act on Environmental Policy, the Special Metropolitan City, a Metropolitan City, Special Self-Governing City, or Do (excluding sis with a population of at least 500,000 under its jurisdiction; hereafter in this Article the same shall apply), Special Self-Governing Province or the Special Metropolitan City, or Sis with a population of at least 500,000 (hereinafter referred to as "large cities"), other than , Metropolitan Cities, and Special Self-Governing Cities, may establish permissible emission levels stricter than the permissible emission levels referred to in paragraph (1) by ordinance of the relevant local government. <Added on Jan. 5, 2021>(4) Where a Mayor/Do Governor or the head of a large city establishes or changes permissible emission levels under paragraph (3), he or she shall hear in advance the opinions of interested persons, including residents, and endeavor to reflect such consensus, as prescribed by ordinance of the relevant local government. <Added on Jan. 5, 2021>(5) Upon establishing or changing permissible emission levels under paragraph (3), the Mayor/Do Governor or the head of a large city shall without delay report such fact to the Minister of Climate, Energy and Environment and take necessary measures, such as posting on the public gazette, to inform interested persons of the details thereof. <Added on Jan. 5, 2021; Oct. 1, 2025>

Article 8Reporting and permission on installation of emission facilities

(1) A person who intends to install emission facilities shall report to the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu (referring to an autonomous Gu; hereinafter the same shall apply) thereon, as prescribed by Presidential Decree; provided, in areas prescribed by Presidential Decree, such as areas adjoining to schools or general hospitals, he or she shall obtain permission from the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu. <Amended on Jun. 9, 2009; Aug. 13, 2013>(2) Where a person who has filed a report or obtained permission pursuant to paragraph (1) intends to modify important matters prescribed by Decree of the Ministry of Climate, Energy and Environment from among the reported or permitted matters, he or she shall file a report on modification with the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(3) Notwithstanding paragraph (1), a person who intends to install emission facilities at a factory located in an industrial complex or any such other area prescribed by Presidential Decree shall be excluded from those subject to reporting or permission. In such cases, a person who is excluded from those subject to reporting or permission shall be deemed an operator in applying Articles 14 through 16,17 (excluding the revocation of permission), and 47(1)1.

(4) Upon receiving a report under the main clause of paragraph (1) or a report on modification under paragraph (2), the Special Self-Governing City Mayor, the Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall review the details thereof and accept it if the report complies with this Act. <Added on Jan. 5, 2021>

Article 9Installation of preventive facilities

Where a person who has filed a report or obtained permission on installation or modification of emission facilities (hereinafter referred to as "operator") intends to install or alter the emission facilities, he or she shall install noise and vibration preventive facilities (hereinafter referred to as "preventive facilities") to ensure that the emission of noise and vibration from such factory is maintained at a level not exceeding the permissible emission levels as prescribed in Article 7; provided, this shall not apply in the following cases: <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>1. Where the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu deems that noise and vibration are always emitted at a level lower than the permissible emission levels in view of the function and process of such emission facilities, or the conditions of the site of a factory;

2. Where Decree of the Ministry of Climate, Energy and Environment provides that even though noise and vibration are emitted in excess of the permissible emission levels, it might not inflict any damage on a living environment.

Article 10Succession to rights and duties

(1) If an operator transfers emission and preventive facilities, or is dead, or if juristic persons are merged, the transferee, successor or juristic person surviving the merger, or juristic person who is established by the merger shall succeed to the rights and duties of the operator granted under the reporting, permission or report of modification.

(2) A person who has taken over emission and preventive facilities through auction under the Civil Execution Act, realization under the Debtor Rehabilitation and Bankruptcy Act or the sale of seized property under the National Tax Collection Act, the Customs Act or the Local Tax Act, or other procedures corresponding thereto shall take over the rights and duties of the previous operator granted under the reporting, permission or report on changes. <Added on Jun. 9, 2009>(3) If emission and preventive facilities are leased, the lessee shall be deemed an operator in applying Articles 14 through 16,17 (excluding the revocation of permission),19, and 47(1)1. <Amended on Jun. 9, 2009>

Article 11Design and work execution of preventive facilities

An operator shall directly design and execute the work of installing or altering preventive facilities or shall have a separate contractor specialized in environment prescribed in Article 15 of the Environmental Technology and Industry Support Act design and execute the work (limited to designing, in the case of a separate contractor specialized in environment prescribed in Article 15(2) of the Environmental Technology and Industry Support Act). <Amended on Mar. 21, 2008; Apr. 28, 2011>

Article 12Installation of joint preventive facilities

(1) Operators of knowledge industry centers or operators in an area where factories are closely located may install joint preventive facilities for jointly preventing noise and vibration emitted therefrom. In such cases, each such operator shall be deemed installed preventive facilities for noise and vibration of the factory by factory. <Amended on Apr. 12, 2010>(2) The permissible emission levels for joint preventive facilities may be determined differently from those as prescribed in Article 7, and such permissible emission levels and matters necessary for installation and operation of the joint preventive facilities shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>

Article 13

Deleted. <Jun. 9, 2009>

Article 14Duty to observe permissible emission levels

When an operator operates emission facilities after finishing installation or change of the emission or preventive facilities, he or she shall ensure that the noise and vibration emitted from the factory is maintained to a level lower than the permissible emission levels provided in Article 7 or 12(2) (hereinafter referred to as "permissible emission levels") within a period prescribed by Decree of the Ministry of Climate, Energy and Environment. In such cases, Articles 15 and 16, subparagraph 6 of Article 17, and Article 60(2)2 shall not apply during the period prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>[This Article Wholly Amended on Jun. 9, 2009]

Article 15Order of improvement

Where a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu deems that the level of noise and vibration emitted from a factory under operation exceeds the permissible emission levels, he or she may order the operator to take measures necessary to lower the level of noise and vibration below the permissible emission levels (hereinafter referred to as "order of improvement") setting a period, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>

Article 16Order for suspension of operation

(1) Where a person to whom an order of improvement is issued fails to carry out it or where the emission level continues exceeding the permissible emission levels despite that he or she has carried out the order of improvement within the specified period, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may order him or her to wholly or partially suspend the operation of the relevant emission facilities. In such cases, he or she may order a factory which exceeds the permissible emission levels by time zones prescribed by Decree of the Ministry of Climate, Energy and Environment to suspend the operation by the time zones. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(2) If it is deemed that any danger and injury to the health and any damage to a living environment due to noise and vibration are imminent, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may immediately order any restriction on the operation hours, suspension of operation, or other necessary measures with respect to the emission facilities, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>

Article 17Revocation of permission

If an operator falls under any of the following cases, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may revoke (referring to the order of closure of the emission facilities in cases of the facilities subject to reporting) the permission on the installation of the emission facilities or order the suspension of the operation thereof for a specified period of no longer than six months; provided, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall revoke the permission on the installation of the emission facilities or order the closure thereof, if the operator falls under subparagraph 1: <Amended on Jun. 9, 2009; Aug. 13, 2013>1. Where he or she has obtained permission or filed a report or a report on modification by fraud or improper means;

2. Deleted; <Jun. 9, 2009>3. Where he or she has failed to make a report on modification pursuant to Article 8(2);

4. Where he or she has operated emission facilities without installing preventive facilities pursuant to Article 9;

5. Deleted; <Jun. 9, 2009>6. Where he or she has failed to process the level of noise and vibration emitted from the factory at a level lower than the permissible emission levels, in violation of Article 14;

7. Where he or she has violated an order, etc. for suspension of operation pursuant to Article 16;

8. Where he or she has failed to appoint an environment engineer pursuant to Article 19.

Article 18Measures of closure to unlawful facilities

A Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall order a person who installs or operates emission facilities without filing a report or obtaining permission as referred to in Article 8 to suspend the use of the relevant emission facilities; provided, if it is deemed there exists no possibility that the level of noise and vibration emitted from a factory will be lowered below the permissible emission levels although the relevant emission facilities are improved or the preventive facilities are installed and improved, or where the relevant emission facilities are installed in a place prohibited pursuant to other Acts, he or she shall order him or her to close the relevant emission facilities. <Amended on Jun. 9, 2009; Aug. 13, 2013>

Article 19Environment engineers

(1) An operator shall appoint an environment engineer for normal operation and management of emission and preventive facilities; provided, this shall not apply where a person in charge of the duties of an environment engineer is appointed under other statutes. <Amended on Jun. 9, 2009>(2) An environment engineer (including a person appointed under the proviso of paragraph (1); hereinafter the same shall apply) shall direct and control those who are engaged in the emission and preventive facilities, in order to prevent them from violating this Act or any order issued under this Act, and manage the emission and preventive facilities so that they may be normally operated and the level of noise and vibration thereof may conform to the permissible emission levels. <Amended on Jun. 9, 2009>(3) An operator shall control matters to be observed by the environment engineers, such as making him or her thoroughly carry out matters to be managed by him or her.

(4) An operator shall not interfere with the activities of the environment engineers to normally operate and manage the emission and preventive facilities, and shall, when receiving from him or her any request necessary for performing his or her duties, comply therewith unless there is good cause. <Amended on May 26, 2020>(5) Matters necessary for the scope of a place of business to which an environment engineer is to be assigned pursuant to paragraph (1), the qualification criteria for and the time of appointment (including any appointment by replacement) of an environment engineer shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>

Article 20Reporting on execution of order, and verification

(1) When an operator has carried out an order for a measure, improvement, suspension of operation, or suspension of use pursuant to Article 15, 16, 17, or the main clause of Article 18, he or she shall without delay report the result thereof to the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(2) Upon receipt of a report under paragraph (1), the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall without delay verify the state of the execution of the order or the state of the completion of the improvement. <Amended on Jun. 9, 2009; Aug. 13, 2013>

Article 21Control of living noise and vibration

(1) A Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall control noise and vibration emitted from a workplace, construction field, etc. (excluding noise and vibration emitted in an industrial complex or other areas prescribed by Decree of the Ministry of Climate, Energy and Environment; hereinafter referred to as "living noise and vibration") to maintain a tranquil living environment of residents. <Amended on Jun. 9, 2009; Aug. 13, 2013; May 26, 2020; Oct. 1, 2025>(2) The objects of and standards for the control of living noise and vibration referred to in paragraph (1) shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>

Article 21-2Inter-floor noise standards

(1) The Minister of Climate, Energy and Environment and the Minister of Land, Infrastructure and Transport shall jointly determine inter-floor noise standards to minimize damage to occupants and users from inter-floor noise generated in multi-unit housing (including noise between neighboring households; hereinafter the same shall apply) and settle disputes over damage. <Amended on Oct. 1, 2025>(2) If necessary to prevent damage from inter-floor noise and settle disputes over damage under paragraph (1), the Minister of Climate, Energy and Environment may assign a specialized institution to conduct the measurement of inter-floor noise and the investigations into, consultation about, and mediation of cases of noise damage, as prescribed by Presidential Decree. <Amended on Oct. 1, 2025>(3) The scope and standards of inter-floor noise under paragraph (1) shall be prescribed by Joint Decree of the Ministry of Climate, Energy and Environment and the Ministry of Land, Infrastructure and Transport. <Amended on Oct. 1, 2025>[This Article Added on Aug. 13, 2013]

Article 22Preliminary reporting on specific construction works

(1) A person who intends to execute a specific construction work prescribed by Decree of the Ministry of Climate, Energy and Environment which emits living noise and vibration shall report it to the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(2) When a person who has filed a report pursuant to paragraph (1) intends to modify important matters prescribed by Decree of the Ministry of Climate, Energy and Environment from among the already reported matters, he or she shall file a report on modification with the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(3) The Mayor of a Special Self-Governing City, the Governor of a Special Self-Governing Province, or the head of a Si/Gun/Gu shall notify a person who has filed a report under paragraph (1) or a report on modification under paragraph (2), of whether his or her report is accepted, within four days from the date his or her report is received. <Added on Jan. 5, 2021>(4) If the Mayor of a Special Self-Governing City, the Governor of a Special Self-Governing Province, or the head of a Si/Gun/Gu fails to give notice to the reporting person of its acceptance or rejection of a report or an extension of the processing period under statutes or regulations governing processing of civil petitions within the period prescribed in paragraph (3), the report shall be deemed to be accepted on the day following the expiry of such period (referring to the corresponding processing period if the processing period has been extended or re-extended under statutes or regulations governing the processing of civil petitions). <Added on Jan. 5, 2021>(5) A person who intends to perform a specific construction work pursuant to paragraph (1) shall comply with all of the following provisions: <Amended on Jun. 9, 2009; Jan. 5, 2021; Oct. 1, 2025>1. He or she shall commence the construction work after installing soundproof facilities satisfying the standards prescribed by Decree of the Ministry of Climate, Energy and Environment; provided, this shall not apply where it is difficult to install the soundproof facilities due to the characteristics of the construction site, as prescribed by Decree of the Ministry of Climate, Energy and Environment;

2. He or she shall establish and execute reduction measures to reduce noise and vibration produced by the construction work.

(6) Cases where it is required to establish reduction measures pursuant to paragraph (5)2, and matters concerning reduction measures shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Jan. 5, 2021; Oct. 1, 2025>

Article 22-2Recommendation on installation of noise-measuring devices

A Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may recommend a person executing construction works to install noise-measuring devices when deemed necessary for the appropriate control of noise produced from a construction site. <Amended on Aug. 13, 2013>[This Article Added on Jun. 9, 2009]

Article 23Order for measures on persons who exceeds control standards of living noise or vibration

(1) Where living noise and vibration exceed the control standards as referred to in Article 21(2), the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may issue an order to the person who emits the noise and vibration to take necessary measures, such as the adjustment of working hours, dispersion or suspension of acts generating noise and vibration, installation of soundproof and vibration-proof facilities, and use of construction machinery generating less noise which is prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(2) Where an operator has executed the order for measures under paragraph (1), he or she shall without delay report the result thereof to the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Added on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(3) Upon receipt of a report set forth in paragraph (2), the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall without delay verify the status of execution or completion of improvement under the relevant order. <Added on Jun. 9, 2009; Aug. 13, 2013>(4) Where a person to whom an order to take measures as referred to in paragraph (1) is issued fails to carry it out or exceeds control standards as referred to in Article 21(2) despite that he or she has carried out the measures, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may order the prohibition of use of those objects of the control, suspension or closure of the relevant construction works. <Amended on Jun. 9, 2009; Aug. 13, 2013>[This Article Wholly Amended on Jun. 9, 2009]

Article 24Control of mobile noise

(1) A Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may designate an area requiring the control of noise emitting from machinery and instruments which cause mobile noise (hereinafter referred to as "mobile noise sources") as a mobile noise control area and prohibit the use of the mobile noise sources or restrict the time of use, etc. <Amended on Jun. 9, 2009; Aug. 13, 2013>(2) Matters necessary for kinds, control methods, and control of mobile noise sources referred to in paragraph (1) shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(3) Once designating the mobile noise control areas referred to in paragraph (1), the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall publicly notify them and take necessary measures, such as insulation of a signpost. The same shall also apply where he or she modifies them. <Amended on Jun. 9, 2009; Aug. 13, 2013>

Article 25Prevention of noise and vibration due to use of explosives

If it is deemed necessary for preventing any damage caused by noise and vibration produced from the use of explosives, the competent Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may request the commissioner of the competent City/Do police agency to take any measures necessary for regulating the use of explosives by those who use them, under the Control of Firearms, Knives, Swords, and Explosives Act. In such cases, the commissioner of the competent City/Do police agency shall comply therewith, in the absence of special circumstances to the contrary. <Amended on Jun. 9, 2009; Aug. 13, 2013; Dec. 22, 2020>

Article 26Control standards for traffic noise and vibration

Control standards for noise and vibration produced from any means of transportation (hereinafter referred to as "control standards for traffic noise and vibration") shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. In such cases, the Minister of Climate, Energy and Environment shall consult in advance with the heads of the relevant central administrative agencies about necessary matters, such as the control standards for traffic noise and vibration and the enforcement period. <Amended on Jun. 9, 2009; Oct. 1, 2025>[This Article Wholly Amended on Jun. 9, 2009][Moved from Article 27; previous Article 26 moved to Article 27 <Jun. 9, 2009>]

Article 27Designation of control areas of traffic noise and vibration

(1) The Special Metropolitan City Mayor, a Metropolitan City Mayor, a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun (excluding the head of a gun within a metropolitan city; hereafter in this Article the same shall apply) may designate any area as a traffic noise and vibration control area (hereinafter referred to as "traffic noise and vibration control area") where noise and vibration produced from any means of transportation in the area exceed or are likely to exceed the control standards for traffic noise and vibration. <Amended on Jun. 9, 2009; Aug. 13, 2013>(2) The Minister of Climate, Energy and Environment may request the Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun to designate an area where he or she deems it necessary to control the traffic noise and vibration as a traffic noise and vibration control area. In such cases, the Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun shall comply therewith, in the absence of special circumstances to the contrary. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>(3) The scope of traffic noise and vibration control areas shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Oct. 1, 2025>(4) When the Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun has designated a traffic noise and vibration control area, he or she shall publicly notify such fact and take necessary measures, such as installation a signpost. This shall also apply where he or she modifies it. <Amended on Jun. 9, 2009; Aug. 13, 2013>(5) The Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun may cancel the designation of a traffic noise and vibration control area if noise and vibration from any means of transportation do not exceed or are not likely to exceed the control standards for traffic noise and vibration. <Added on Jun. 9, 2009; Aug. 13, 2013>[This Article Wholly Amended on Jun. 9, 2009][Moved from Article 26; previous Article 27 moved to Article 26 <Jun. 9, 2009>]

Article 28Regulation of operation of motor vehicles

A Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may request the commissioner of the competent City/Do police agency to take necessary measures under the Road Traffic Act, such as speed limit and bypassing, for persons operating motor vehicles (hereinafter referred to as "motor vehicle operators") passing a traffic noise and vibration control area. In such cases, the commissioner of the competent City/Do police agency shall, without delay, comply therewith, in the absence of special circumstances to the contrary. <Amended on Jun. 9, 2009; Aug. 13, 2013; Dec. 22, 2020>

Article 29Installation of soundproof and vibration-proof facilities

(1) If the Special Metropolitan City Mayor, a Metropolitan City Mayor, a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun (excluding the head of a Gun within a Metropolitan City) deems that noise and vibration produced from driveways, expressways, and railroads in a traffic noise and vibration control area exceed the control standards for traffic noise and vibration and infringe on a calm and tranquil living environment of residents, he or she may install by himself or herself soundproof and vibration-proof facilities, or request the heads of agencies managing the facilities to take necessary measures, such as installation of soundproof and vibration-proof facilities. In such cases, the heads of the agencies managing the facilities shall comply therewith, in the absence of special circumstances to the contrary. <Amended on Jun. 9, 2009; Aug. 13, 2013>(2) Paragraph (1) shall apply mutatis mutandis to noise and vibration produced from roads adjoining schools, multi-unit houses, or other facilities prescribed by Decree of the Ministry of Climate, Energy and Environment, from among roads (excluding driveways and expressways) defined in subparagraph 1 of Article 2 of the Road Act. <Amended on Mar. 21, 2008; Jan. 14, 2014; Oct. 1, 2025>

Article 30Permissible standards of noises produced by manufactured cars

Any person who desires to manufacture (including import; hereinafter the same shall apply) motor vehicles (hereinafter referred to as the "motor vehicle manufacturer") shall manufacture motor vehicles in a manner that the noises emitted from manufactured motor vehicles (hereinafter referred to as "manufactured cars") conform to the permissible manufactured car noise standards as prescribed by Presidential Decree.

Article 31Authentication of manufactured cars

(1) Where a motor vehicle manufacturer intends to manufacture motor vehicles, he or she shall obtain authentication in advance from the Minister of Climate, Energy and Environment that the noise of the manufactured cars conform to the permissible noise standards for manufactured cars as referred to in Article 30; provided, the Minister of Climate, Energy and Environment may exempt or omit the authentication of motor vehicles to be used for public purposes such as for military or fire-fighting use or for research and exhibition purposes, etc. or the authentication of motor vehicles which are brought into from a foreign country and prescribed by Presidential Decree. <Amended on Oct. 1, 2025>(2) If a motor vehicle manufacturer intends to modify important matters prescribed by Decree of the Ministry of Climate, Energy and Environment from among the authenticated details of motor vehicles certified pursuant to paragraph (1), he or she shall obtain authentication for modification. <Amended on Jun. 9, 2009; Oct. 1, 2025>(3) Any person who has obtained authentication or authentication of modification under paragraph (1) or (2) and intends to manufacture a motorcycle (referring to a motorcycle prescribed in Article 3(1)5 of the Motor Vehicle Management Act; hereinafter the same shall apply) shall indicate the exhaust noise result value (referring to noise generated when exhaust gas is emitted through the exhaust pipe) of the relevant authentication or authentication for modification on the motorcycle, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Added on Dec. 30, 2022; Oct. 1, 2025>(4) Matters necessary for filing an application for authentication under paragraphs (1) and (2), methods and procedures of an authentication test, methods of granting authentication, and exemption from and omission of authentication shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 9, 2009; Dec. 30, 2022; Oct. 1, 2025>

Article 31-2Designation of agencies for authentication tests

(1) Where deemed necessary to efficiently carry out the rests required for certification pursuant to Article 31 (hereinafter referred to as "certification test"), the Minister of Climate, Energy and Environment may designate a specialized institution to carry out the works related to the authentication test. <Amended on Oct. 1, 2025>(2) A specialized institution referred to in paragraph (1) (hereinafter referred to as "agency for authentication tests") and a person engaged in the works thereof shall not commit any of the following acts; <Amended on Oct. 1, 2025>1. Having any other person perform the authentication tests under his or her name;

2. Performing the authentication tests by fraud or improper means;

3. Other acts in violation of matters to be observed pursuant to the provisions of Decree of the Ministry of Climate, Energy and Environment concerning the authentication tests.

(3) Matters necessary for standards and procedure for designating an agency for the authentication tests shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>[This Article Added on Jun. 9, 2009]

Article 31-3Revocation of designation of agencies for authentication tests

If an agency for authentication tests falls under any of the following subparagraphs, the Minister of Climate, Energy and Environment may revoke the designation thereof or issue an order to suspend whole or part of its business for a period up to 6 months; provided, it if falls under subparagraph 1, the Minister shall revoke the designation: <Amended on Dec. 30, 2022; Oct. 1, 2025>1. Where the designation has been obtained by fraud or other improper means;

2. Where it has administered an authentication test in violation of the methods and procedures of an authentication test prescribed in Article 31(4);

3. Where it has committed a prohibited act falling under any of subparagraphs of Article 31-2(2);

4. Where it has failed to meet the standards for designation referred to in Article 31-2(3).[This Article Added on Jun. 9, 2009]

Article 31-4Dispositions of penalty surcharges

(1) Where the Minister of Climate, Energy and Environment orders an agency for authentication tests to suspend its operation pursuant to any of subparagraphs 2 through 4 of Article 31-3, he or she may impose and collect a penalty surcharge not exceeding 50 million won in lieu of the suspension of operation if deemed that the suspension of operation is feared to cause serious inconveniences to service users, etc. or to significantly undermine the public interest. <Amended on Oct. 1, 2025>(2) The amount of penalty surcharges based on the type, degree, etc. of offense subject to the imposition of penalty surcharges under paragraph (1), and other necessary matters, shall be prescribed by Presidential Decree.

(3) If a person liable to pay a penalty surcharge under paragraph (1) fails to pay it by the deadline for payment, the Minister of Climate, Energy and Environment shall collect it in the same manner as disposition on default of national taxes. <Amended on Oct. 1, 2025>(4) Penalty surcharges collected under paragraph (1) shall be credited to the special account for environmental improvement under Article 45 of the Framework Act on Environmental Policy.[This Article Added on Aug. 13, 2013]

Article 32Transfer and takeover of authentication

(1) The provisions of Article 10(1) shall apply mutatis mutandis in cases where the motor vehicle manufacturer who has obtained the authentication or authentication of modification as referred to in Article 31(1) or (2) transfers the business or dies, or where the relevant juristic persons merge.

(2) Any person who succeeds to the rights and duties pursuant to paragraph (1) shall report it to the Minister of Climate, Energy and Environment under the conditions as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>

Article 33Inspection on noises of manufactured cars

(1) In order to confirm whether or not the noises of motor vehicles manufactured with the authentication as prescribed in Article 31 are conformed to the permissible manufactured car noise standards as prescribed in Article 30, the Minister of Climate, Energy and Environment shall conduct an inspection under the conditions as prescribed by Presidential Decree. <Amended on Oct. 1, 2025>(2) When a motor vehicle manufacturer conducts an inspection according to inspection method and procedure determined by the Minister of Climate, Energy and Environment equipped with manpower and equipment prescribed by Decree of the Ministry of Climate, Energy and Environment, the inspection as referred to in paragraph (1) may be omitted under the conditions as prescribed by Presidential Decree. <Amended on Oct. 1, 2025>(3) If it is required especially for conducting the inspection as referred to in paragraph (1), the Minister of Climate, Energy and Environment may conduct the inspection using the equipment of the motor vehicle manufacturer or at a place specially designated, under the conditions as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(4) Expenses needed for the inspection as referred to in paragraph (1) shall be borne by the relevant motor vehicle manufacturer.

Article 33-2Establishment and operation of computer network for management of noise and vibration data of motor vehicles

(1) In order to collect and manage the noise and vibration data of motor vehicles, the Minister of Climate, Energy and Environment may establish and operate a computer network for the management of noise and vibration data of motor vehicles (hereinafter referred to as "noise data computer network") in connection with an electronic information processing organization under Article 69 of the Motor Vehicle Management Act, as prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(2) The Minister of Climate, Energy and Environment may request a motor vehicle manufacturer to provide data or information related to authentication necessary to establish and operate a noise data computer network. In such cases, a motor vehicle manufacturer upon receipt of a request for related data or information shall comply with such request, unless there is a compelling reason not to do so. <Amended on Oct. 1, 2025>[This Article Added on Dec. 30, 2022]

Article 34Revocation of authentication

(1) The Minister of Climate, Energy and Environment shall revoke the authentication in the following cases: <Amended on Oct. 1, 2025>1. Where the authentication is granted by fraud or other improper means;

2. Where a manufactured car has so serious defects that it is impossible to meet the permissible manufactured car noise standards even though such defects are improved.

(2) The Minister of Climate, Energy and Environment shall order the manufactured motor vehicles, where those vehicles do not conform to the permissible manufactured car noise standards as a result of the inspection as referred to in Article 33(1), to be improved or the sale thereof to be suspended. In this case, where an order of suspension of sale is violated, the authentication of the relevant manufactured motor vehicles shall be revoked. <Amended on Oct. 1, 2025>

Article 34-2Permissible noise levels for motor vehicle tires

(1) Any person who intends to manufacture or import motor vehicle tires (hereinafter referred to as "tire manufacturer or importer") shall manufacture or import the motor vehicle tires ensuring that noise generated by the motor vehicle tires he or she manufactures or imports (hereinafter referred to as "tire noise levels") is within the permissible levels prescribed by Decree of the Ministry of Climate, Energy and Environment (hereinafter referred to as "permissible tire noise levels"). <Amended on Oct. 1, 2025>(2) Every tire manufacturer or importer shall measure tire noise levels either on its own or by commissioning to the testing agency designated by Decree of the Ministry of Climate, Energy and Environment in order to verify whether the noise levels of the motor vehicle tires he or she manufactures or imports are within the permissible tire noise levels, and shall file a report on the measurement results with the Minister of Climate, Energy and Environment; provided, a tire manufacturer or importer shall have the equipment and personnel prescribed by Decree of the Ministry of Climate, Energy and Environment to measure tire noise levels on its own. <Amended on Oct. 1, 2025>(3) A tire manufacturer or importer shall indicate the tire noise levels measured under paragraph (2) on the easily visible position of the relevant motor vehicle tires.

(4) Except as provided in paragraphs (2) and (3), how to measure the noise of motor vehicle tires, procedure for filing reports, standards and methods for the indication of tire noise levels, and other necessary matters shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>[This Article Added on Oct. 16, 2018]

Article 34-3Corrective orders for exceeding permissible tire noise levels

(1) If the noise levels of a motor vehicle tire reported under Article 34-2(2) exceed the permissible tire noise levels, the Minister of Climate, Energy and Environment may issue a corrective order to the relevant tire manufacturer or importer. <Amended on Oct. 1, 2025>(2) A person who is issued a corrective order under paragraph (1) shall comply with the corrective order and shall report the results thereof to the Minister of Climate, Energy and Environment without delay. <Amended on Oct. 1, 2025>(3) If a person who is issued a corrective order under paragraph (1) fails to comply with the corrective order, the Minister of Climate, Energy and Environment may issue an order to prohibit the manufacture, import, sale, and use of the relevant motor vehicle tires. <Amended on Oct. 1, 2025>(4) The Minister of Climate, Energy and Environment may require the agency designated by Decree of the Ministry of Climate, Energy and Environment to conduct an investigation in order to verify whether the noise levels of a motor vehicle tire reported under Article 34-2(2) are within the permissible tire noise levels. <Amended on Oct. 1, 2025>(5) Except as provided in paragraphs (1) through (4), matters necessary to issue corrective orders and to report the results of corrective orders shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>[This Article Added on Oct. 16, 2018]

Article 35Permissible running car noise standards

(1) Any owner of a motor vehicle shall operate or have another person operate it in such a manner that the noises emitted from the motor vehicle are conformed to the permissible running car noise standards as prescribed by Presidential Decree and shall not remove a muffler or a silencer from it or additionally attach a horn to it. <Amended on Dec. 30, 2022>(2) Any owner of a motorcycle shall operate or have another person operate it in such a manner that the noises generated from the motorcycle do not exceed five decibels over the exhaust noise result value granted based on the authentication or authentication for modification granted under Article 31(1) and (2). <Added on Dec. 30, 2022>

Article 36Occasional inspections of running cars

(1) The Special Metropolitan City Mayor, a Metropolitan City Mayor, a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall conduct an inspection on a running car on a road or in a parking zone, etc. to verify the following matters; provided, the same shall not apply to emergency motor vehicles defined in subparagraph 22 of Article 2 of the Road Traffic Act and other motor vehicles prescribed by Decree of the Ministry of Climate, Energy and Environment: <Amended on Jun. 9, 2009; Aug. 13, 2013; Jun. 13, 2023; Oct. 1, 2025>1. Whether the noise of the running car conforms to the permissible noise standards for running cars as prescribed in Article 35;

2. Whether the muffler or silencer is removed;

3. Whether a horn is additionally attached.

(2) When conducting an inspection under paragraph (1), the Special Metropolitan City Mayor, a Metropolitan City Mayor, a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu may request the head of a police agency, the Korea Transportation Safety Authority established under the Korea Transportation Safety Authority Act, or other relevant institutions to conduct a joint inspection. In such cases, the relevant institutions shall comply therewith unless there is a compelling reason not to do so. <Amended on Jun. 13, 2023>(3) A motor vehicle operator shall cooperate in an inspection under paragraph (1) and shall not fail to comply with such inspection or engage in any act that interferes with it. <Amended on Jun. 13, 2023>(4) The Special Metropolitan City Mayor, a Metropolitan City Mayor, a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu shall report the results of inspections under paragraph (1) to the Minister of Climate, Energy and Environment on a semi-annual basis. <Amended on Jun. 13, 2023; Oct. 1, 2025>(5) Matters necessary for the methods of inspections under paragraph (1), the reporting of inspection results under paragraph (4), and other relevant details shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Jun. 13, 2023; Oct. 1, 2025>[Title Amended on Jun. 13, 2023]

Article 37Regular inspections of running cars

(1) Where the owner of a motor vehicle undergoes a regular inspection referred to in Article 43(1)2 of the Motor Vehicle Management Act and Article 13(1)2 of the Construction Machinery Management Act or a regular inspection of a two-wheeled vehicle referred to in Article 62(2) of the Clean Air Conservation Act, he or she shall also undergo an inspection about all the following matters: <Amended on Jul. 16, 2013>1. Whether noise emitted from the automobile conforms to the permissible noise standards for running cars;

2. Whether the muffler or silencer is removed;

3. Whether a horn is additionally attached.

(2) Matters necessary for the methods of and items subject to the inspection referred to in paragraph (1) and the facilities, equipment, etc. of the inspection institution shall be prescribed by Decree of the Ministry of Climate, Energy and Environment. <Amended on Oct. 1, 2025>(3) In determining Decree of the Ministry of Climate, Energy and Environment pursuant to paragraph (2), the Minister of Climate, Energy and Environment shall consult with the Minister of Land, Infrastructure and Transport; provided, the same shall not apply in determining matters relating to the regular inspection of two-wheeled vehicles referred to in Article 62(2) of the Clean Air Conservation Act. <Amended on Feb. 29, 2008; Mar. 23, 2013; Jul. 16, 2013; Oct. 1, 2025>(4) The Minister of Climate, Energy and Environment may request the Minister of Land, Infrastructure and Transport to provide materials regarding the results of the inspection referred to in paragraph (1). <Amended on Feb. 29, 2008; Mar. 23, 2013; Oct. 1, 2025>

Article 38Orders to improve running cars

(1) Where, as the result of a checkup for a running car referred to in Article 36, such car falls under any of the following cases, the competent Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, the head of a Si/Gun/Gu may order an improvement to the owner of the automobile, as prescribed by Decree of the Ministry of Climate, Energy and Environment: <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>1. Where the noise of the running car exceeds the permissible noise standards for running cars;

2. Where the muffler or silencer is removed;

3. Where a horn is additionally attached.

(2) In issuing an order of improvement pursuant to paragraph (1), the suspension of the use of the relevant automobile may be concurrently ordered for a period necessary for such improvement within the scope of not exceeding 10 days.

(3) A person who receives an order of improvement referred to in paragraph (1) shall obtain verification on the results of improvement from persons who have registered with a Special Self-Governing City Mayor, a Special Self-Governing Province Governor, or the head of a Si/Gun/Gu pursuant to Article 41, as prescribed by Decree of the Ministry of Climate, Energy and Environment, and then report thereon to the competent Special Metropolitan City Mayor, Metropolitan City Mayor, Special Self-Governing City Mayor, Special Self-Governing Province Governor, or the head of a Si/Gun/Gu, etc. <Amended on Jun. 9, 2009; Aug. 13, 2013; Oct. 1, 2025>