19 CFR §115.63

1. (a)Three copies, each no larger than 3 feet by 4 feet, of the Customs and TIR plan;
2. (b)Customs and TIR plan number;
3. (c)Three copies of the specifications which include the following information:
   1. (1)The name and address of the manufacturer and the owner; and
   2. (2)A description of the road vehicle including the:
      1. (i)Particulars of construction;
      2. (ii)Dimensions;
      3. (iii)Construction materials; and
      4. (iv)Marks and numbers, including chassis, engine, and registration numbers.
4. (d)A statement signed by the manufacturer that:
   1. (1)It will present vehicles of the type concerned to the Certifying Authority which that Authority may wish to examine;
   2. (2)Permit the Certifying Authority to examine further units at any time during or after the production run;
   3. (3)Notify the Certifying Authority of each change in the design or specifications before adoption;
   4. (4)Mark the road vehicles in a visible place with the identification number or letters of the design type and the serial number of the vehicle in the type series manufacturer's number; and
   5. (5)Keep a record of vehicles manufactured according to the design type.