49 C.F.R. § 568.6 Requirements for final-stage manufacturers.
Title 49 - Transportation
(a) Each final-stage manufacturer shall complete the vehicle in such a manner that it conforms to the standards in effect on the date of manufacture of the incomplete vehicle, the date of final completion, or a date between those two dates. This requirement shall, however, be superseded by any conflicting provisions of a standard that applies by its terms to vehicles manufactured in two or more stages. (b) Each final-stage manufacturer shall affix a label to the completed vehicle in accordance with §567.5 of this chapter. [36 FR 7057, Apr. 14, 1971, as amended at 42 FR 37817, July 25, 1977]
Title 49: Transportation
PART 568—VEHICLES MANUFACTURED IN TWO OR MORE STAGES
§ 568.6 Requirements for final-stage manufacturers.

