D.C. Mun. Regs. tit. 18, § 604
604.1 If, upon mechanical inspection of any motor vehicle, the Director determines it does not conform to the equipment and exhaust emission standards in the current District Inspection Manual, the Director shall issue to the registrant or person desiring registration a rejection sticker.604.2 If, upon mechanical inspection of any trailer, the Director determines it does not conform to the equipment standards in the current District Inspection Manual, the Director shall issue to the registrant or person desiring registration a rejection sticker, except as provided in § 603.4.604.3 If a rejection sticker is issued, the operation and use of the vehicle will be permitted for twenty (20) days from the date of issuance; Provided, that the registrant or the person desiring registration to whom the rejection sticker was issued continues to hold legal title to the vehicle; and Provided further, that the registrant or other person has complied with this title and all other applicable provisions of law.604.4 A registrant, or any person desiring registration, to whom a rejection sticker was issued shall not park or permit the parking of the vehicle on any public space after the expiration date of the rejection sticker.604.5 In the event a registrant or a person who desires registration, and to whom a rejection sticker was issued, loses or disposes of legal title to the vehicle, the person, or his or her agent who acquires it, may operate the vehicle during the remainder of the twenty (20) day period provided in § 604.3.604.6 If it is determined pursuant to this section, that the owner or registrant of a public vehicle for hire shall be issued a rejection sticker, the Director shall issue a rejection sticker.604.7 A rejection sticker shall be issued to the owner or registrant of a public vehicle for hire when the Director has determined that the vehicle:- (a) Does not conform to those standards of the Manual and in chapter 7 of this Title that, in the discretion of the Director, affects the safe operation of the public vehicle for hire or health of the vehicle's passengers, including but not limited to, steering, brakes, exhaust, smoke, extensive body damage, glazing, or emissions; or
- (b) Does not comply with any requirements set forth in § 601.6.604.8 [REPEALED]604.9 A person issued a rejection sticker for a public vehicle for hire pursuant to subsection 604.7 (a) shall not be permitted to operate that vehicle as a public vehicle for hire until the vehicle
is determined to be in compliance with the standard set forth in the Manual and in chapter 7 of this title.
604.10 A person issued a rejection sticker for a public vehicle for hire pursuant to subsection 604.7 (b) shall be permitted to continue to operate that vehicle as a public vehicle for hire for a period not to exceed twenty (20) days or for a longer period as determined by the Director in his or her discretion.
604.11 If a motor vehicle fails the emissions testing portion of the mechanical inspection, it shall be issued a rejection sticker pursuant to §604.1.
604.12 Under § 603.1, a vehicle failing the emissions testing portion of the mechanical inspection shall not qualify for issuance of an approval sticker even if it meets all safety -related portion of the inspection.
604.13 An approval sticker shall only be issued upon the vehicle's passing an emissions test.
SOURCE: Regulation No. 72-13 effective June 30, 1972,32 DCRR §§ 4.206(a), (b), Special Edition; as amended by Regulation 74-17 effective June 29, 1974; by § 2 of the Rejected Vehicle Inspection Extension Act, D.C. Law 1-84, 23 DCR 1071 (August 10, 1976); by Final Rulemaking published at 30 DCR 5740 (November 4, 1984); and by Final Rulemaking published at 31 DCR 5872 (November 23, 1984) ; as amended by Final Rulemaking published at 49 DCR 748 (January 25, 2002); as amended by Final Rulemaking published at 50 DCR 8197 (October 3, 2003); as amended by Final Rulemaking published at 53 DCR 848 (February 10, 2006) and 55 DCR 000340 (January 11, 2008).