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From Connecticut General Assembly, Chapter 246a.
Sec. 14-164c. (Formerly Sec. 14-100c). Motor vehicle emissions systems. Emissions standards and inspections. Inspection facilities. Fees. Penalty. (a) No person shall fail to maintain in good working order or remove, dismantle or otherwise cause to be inoperative any equipment or feature constituting an operational element of the air pollution control system or mechanism of a motor vehicle required by regulations of the Commissioner of Environmental Protection to be maintained or on the vehicle.
Any such failure to maintain in good working order or removal, dismantling or causing of inoperability shall subject the owner thereof to revocation of registration for such vehicle by the Commissioner of Motor Vehicles unless all parts and equipment constituting elements of air pollution control have been made operable and in good working order within thirty days of notice by said commissioner of such violation. Any such failure shall be considered a failure to comply with the periodic inspection requirements established under subsection (c) of this section. As used in this section, motor vehicle shall have the same meaning as is provided in section 14-1.
(c) The commissioner shall adopt regulations in accordance with chapter 54 to implement the provisions of this section. Such regulations shall include provision for a periodic inspection of air pollution control equipment and compliance or waiver with exhaust emission standards or compliance or waiver with on-board diagnostic standards or other standards defined by the Commissioner of Environmental Protection and approved by the Administrator of the United States Environmental Protection Agency, compliance or waiver with, air pollution control system integrity standards defined by the Commissioner of Environmental Protection and compliance or waiver with purge system standards defined by the Commissioner of Environmental Protection. Such regulations shall apply to all motor vehicles registered or which will be registered in this state except: (1) Vehicles having a gross weight of more than ten thousand pounds; (2) vehicles powered by electricity; (3) bicycles with motors attached; (4) motorcycles; (5) vehicles operating with a temporary registration; (6) vehicles manufactured twenty- five or more years ago; (7) new vehicles at the time of initial registration; (8) vehicles registered but not designed primarily for highway use; (9) farm vehicles, as defined in subsection (q) of section 14-49; (10) antique, rare or special interest motor vehicles, as defined in section 14-1; (11) diesel-powered type II school buses; or (12) a vehicle operated by a licensed dealer or repairer either to or from a location of the purchase or sale of such vehicle or for the purpose of obtaining an official emissions or safety inspection. Not later than October 1, 2002, such regulations shall exempt from the periodic inspection requirement any vehicle manufactured four or less years ago, provided that such exemption shall lapse upon a finding by the Administrator of the United States Environmental Protection Agency or by the Secretary of the United States Department of Transportation that such exemption causes the state to violate applicable federal environmental or transportation planning requirements. Notwithstanding any provisions of this subsection, the commissioner may require an initial emissions inspection and compliance or waiver prior to registration of a new motor vehicle. If the Commissioner of Environmental Protection finds that it is necessary to inspect motor vehicles which are exempt under subdivision (1) or (4) of this subsection, or motor vehicles that are four or less model years of age in order to achieve compliance with federal law concerning emission reduction requirements, the Commissioner of Motor Vehicles may adopt regulations, in accordance with the provisions of chapter 54, to require the inspection of motorcycles, designated motor vehicles having a gross weight of more than ten thousand pounds or motor vehicles four or less model years of age.
b and d-i omitted... not applicable...
(j) No person, firm or corporation shall operate or allow to be operated any motor vehicle that has not been inspected and found to be in compliance with the provisions of subsections (c), (d) and (f) and the regulations adopted by the commissioner.
Operation in violation of subsections (c), (d) and (f) and the regulations adopted by the commissioner shall be an infraction for each violation, except that the fine for a first violation shall be thirty-five dollars. The commissioner may deny the issuance of registration to the owner of a motor vehicle, or the renewal of registration to any such owner, or suspend any registration that has been issued, if such motor vehicle is not in compliance with the inspection requirements of this chapter.