US Code
SUBCHAPTER III— IMPORTING NONCOMPLYING MOTOR VEHICLES AND EQUIPMENT
§ 30145. Importing motor vehicles or equipment requiring further manufacturing

(1) requires further manufacturing to perform its intended function as decided under regulations prescribed by the Secretary of Transportation; and
(2) is accompanied at the time of importation by a written statement issued by the manufacturer indicating the applicable motor vehicle safety standard prescribed under this chapter with which it does not comply.