49 C.F.R. § 663.43 Certification that Federal motor vehicle standards do not apply.
Title 49 - Transportation
(a) Except for rolling stock subject to paragraph (b) of this section, if a vehicle purchased under this part is not subject to the Federal Motor Vehicle Safety Standards issued by the National Highway Traffic Safety Administration in part 571 of this title, the recipient shall keep on file its certification that it received a statement to that effect from the manufacturer. (b) This subpart shall not apply to rolling stock that is not a motor vehicle.
Title 49: Transportation
PART 663—PRE-AWARD AND POST-DELIVERY AUDITS OF ROLLING STOCK PURCHASES
Subpart D—Certification of Compliance With or Inapplicability of Federal Motor Vehicle Safety Standards
§ 663.43 Certification that Federal motor vehicle standards do not apply.