Each manufacturer of a motor vehicle (other than a replica motor vehicle), and each manufacturer of covered equipment, shall furnish the information specified in paragraphs (a) through (c) of this section to https://vpic.nhtsa.dot.gov/ or to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590. Manufacturers of replica motor vehicles shall furnish the information by using the portal at https://vpic.nhtsa.dot.gov/.
Example: "Incomplete vehicle manufacturer-Chassis-cab intended for completion as van-type truck."
If the manufacturer is an intermediate manufacturer, or a final stage manufacturer, the description shall so state and include a brief description of the work performed.
Example: "Multipurpose passenger vehicles: Motor homes with GVWR from 8,000 to 12,000 pounds. Final-stage manufacturer-add body to bare chassis."
49 C.F.R. §566.5
15 U.S.C. 1392, 1397