Article 1 (Purpose) The purpose of this Ordinance is to improve air quality by stipulating the scope of motor vehicles, regions, etc. subject to restrictions on operation under Article 29 of the Special Act on the Improvement of Air Quality in Air Control Zones. <Amended on May 19, 2020>

Article 2 (Definitions) The terms used in this Ordinance are defined as follows: <Amended on Jan. 5, 2017; Jul. 18, 2019; May 19, 2020; Oct. 5, 2020>
1. The term "low emission zone" means a region in which air pollution is serious enough to require special management, including restrictions on operation of motor vehicles, and which refers to the entire region of the Seoul Metropolitan City among air control zones under subparagraph 1 of Article 2 of the Special Act on the Improvement of Air Quality in Air Control Zones (hereinafter referred to as the "Special Act") and Article 2 of the Enforcement Decree of the same Act;
2. The term "emission-reducing device" means a device attached to a motor vehicle to reduce air pollutants emitted from vehicles, which has been certified pursuant to Article 60 of the Clean Air Conservation Act or Article 26 of the Special Act;
3. The term "low-pollution engine" means an engine (including components used to convert an engine) designed to reduce air pollutants emitted from motor vehicles, which has been certified pursuant to Article 60 of the Clean Air Conservation Act;
4. The term "low-pollution measures" means attachment of an emission-reducing device, conversion into, or replacement with, a low-pollution engine, and early scrapping of motor vehicles under Article 58 of the Clean Air Conservation Act;
5. The term "special measure area for promoting green transport" (hereinafter referred to as "green transport area") means a special measure area designated by the Mayor of the Seoul Metropolitan Government (hereinafter referred to as the "Mayor") under Article 41 of the Sustainable Transportation Logistics Development Act and Article 12 (1) 3 of the Enforcement Rule of the same Act to advance green transportation and to promote green transportation logistics.

Article 3 (Vehicles Subject to Restrictions on Operation in Low Emission Zones) (1) The Mayor may restrict the operation of any of the following motor vehicles in low emission zones except green transport areas pursuant to Article 29 of the Special Act: Provided, That where an emission-reducing device or a low-pollution engine appropriate for a relevant motor vehicle has not yet been certified or disseminated, such motor vehicle shall be excluded from vehicles subject to restrictions on operation during the corresponding period: <Amended on Jul. 18, 2019; May 19, 2020; Oct. 5, 2020>
1. A specific diesel vehicle registered in an air control zone, the emission level of which exceeds a permissible emission level under Article 26 (1) and (3) of the Special Act and which is not fitted with an emission-reducing device or the engine of which is not converted into or replaced with a low-pollution engine;
2. A motor vehicle in an air control zone for which low-pollution measures prescribed by Ordinance of the relevant City/Do or by Ordinance of the relevant Si/Gun have been ordered pursuant to Article 58 (1) of the Clean Air Conservation Act and which is not fitted with an emission-reducing device or its engine is not converted into or replaced with a low-pollution engine during the compliance period;
3. A motor vehicle for which the guarantee period of exhaust gases under Article 46 (3) of the Clean Air Conservation Act has expired and which is not fitted with an emission-reducing device or its engine is not converted into or replaced with a low-pollution engine, among diesel vehicles for the business use registered with local governments having jurisdiction over regions other than an air control zone pursuant to Article 26 (5) 2 of the Special Act.
(2) With respect to restrictions on operation under paragraph (1) 3, the Mayor may apply relevant restrictions for a separately specified period, taking into account whether to grant subsidies, etc. following attachment of an emission-reducing device or conversion into or replacement with a low-pollution engine. In such cases, the Mayor shall publicly notify such fact. <Amended on Oct. 5, 2020>
(3) The Mayor may impose restrictions on the operation of motor vehicles under Article 30 of the Sustainable Transportation Logistics Development Act in a green transport area, as publicly announced above. <Newly Inserted on Jul. 18, 2019>

Article 3-2 (Period of Restrictions on Operation in Low Emission Zones) The Mayor may impose regular restrictions on the operation of motor vehicles specified in the subparagraphs of Article 3 (1): Provided, That the restriction on operation may not be imposed during the seasonal management period for fine dust under Article 21 of the Special Act on the Reduction and Management of Fine Dust.
[This Article Newly Inserted on Oct. 5, 2020]

Article 4 (Control of Vehicles Subject to Restrictions on Operation) (1) The Mayor may install and operate a control system (including a control system built into a vehicle; hereinafter the same shall apply) in order to monitor vehicles subject to restrictions on operation in a low emission zone, and may appoint public officials in charge of monitoring such vehicles (hereinafter referred to as "monitoring officials") to monitor motor vehicles violating the restrictions. <Amended on Oct. 5, 2020>
(2) Where a violation of the restrictions on operation is identified by a control system or by a monitoring official, the Mayor shall prepare a notice for violation of restrictions on operation specified in the attached Form and issue it to the owner of the relevant motor vehicle. <Amended on Oct. 5, 2020>
(3) Where a control official performs relevant duties, he or she shall wear a cap or display a mark, etc. so that ordinary citizens can readily verify that he or she is performing such duties, and carry necessary equipment such as a camera.

Article 5 (Imposition of Administrative Fines on Vehicles in Violation) (1) The Mayor may impose an administrative fine on the owner of a motor vehicle who has violated any of the restrictions on operation in low emission zones under Article 3: Provided, That in cases of the first violation, no administrative fine shall be imposed; but the violation shall be notified to the vehicle owner in lieu thereof, so that he or she can be aware that his or her vehicle is subject to the restrictions on operation.
(2) An administrative fine of 200,000 won may be imposed for each violation 30 days after the date on which the notice is issued pursuant to the proviso of paragraph (1). In such cases, the total amount of the administrative fines imposed shall not exceed two million won.
(3) An administrative fine under paragraph (2) shall be imposed only once a month on the same person, even if the person commits violations more than once a month. <Amended on Jan. 5, 2017; May 16, 2019>
(4) Where a motor vehicle subject to restrictions on operation under Article 3 falls under any of the following cases, the Mayor shall not impose an administrative fine under paragraph (1) on the same date as the date of the violation: <Newly Inserted on Oct. 5, 2020>
1. Where an administrative fine is imposed for violating a measure restricting the operation of motor vehicles under Article 18 of the Special Act on the Reduction and Management of Fine Dust;
2. Where an administrative fine is imposed for violating a measure restricting the operation of motor vehicles under Article 30 of the Sustainable Transportation Logistics Development Act.
(5) Matters relating to the imposition and collection of administrative fines under paragraph (2), reduction or wavier of such fines, and others shall be governed by the Act on the Regulation of Violations of Public Order. <Newly Inserted on May 16, 2019; Oct. 5, 2020>

ADDENDUM <Ordinance No. 5026, Sep. 30, 2010>
This Ordinance shall enter into force one month after the date of its promulgation.
ADDENDUM <Ordinance No. 6386, Jan. 5, 2017>
This Ordinance shall enter into force on the date of its promulgation.
ADDENDUM <Ordinance No. 6851, Mar. 22, 2018>
This Ordinance shall enter into force on the date of its promulgation.
ADDENDUM <Ordinance No. 7178, May 16, 2019>
This Ordinance shall enter into force on the date of its promulgation.
ADDENDUM <Ordinance No. 7250, Jul, 18, 2019>
This Ordinance shall enter into force on the date of its promulgation.
ADDENDA <Ordinance No. 7580, May 19, 2020>
Article 1 (Enforcement)
This Ordinance shall enter into force on the date of its promulgation.
Article 2 Omitted.
ADDENDA <Ordinance No. 7730, Oct. 5, 2020>
Article 1 (Enforcement)
This Ordinance shall enter into force on the date of its promulgation.
Article 2 (Applicability to Imposition of Administrative Fines on Motor Vehicles in Violation)
The amended provisions of Article 5 (4) shall begin to apply to administrative fines imposed after this Ordinance enters into force.