Code of Federal Regulations Title 49. Transportation § 49.566.5 Requirements

(1) Except as noted below, the description may be of general types, such as “passenger cars” or “brake fluid.”

(2) In the case of multipurpose passenger vehicles, trucks, and trailers, the description shall be specific enough also to indicate the types of use for which the vehicles are intended, such as “tank trailer,” “motor home,” or “cargo van.”

(3) In the case of motor vehicles produced in two or more stages, if the manufacturer is an incomplete vehicle manufacturer, the description shall so state and include a description indicating the stage of completion of the vehicle and, where known, the types of use for which the vehicle is intended.

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.”