19 C.F.R. § 115.30 Technical requirements for containers by design type.
Title 19 - Customs Duties
The plans and specifications of a container submitted in accordance with the requirements contained in §115.29, and the one or more containers inspected in accordance with the requirements of §115.31, must comply with the requirements of Annex 7 of the Customs Convention on the International Transport of Goods Under Cover of TIR Carnets (TIR Convention), November 14, 1975 (TIAS), and Annex 4 of the Customs Convention on Containers (Container Convention), December 2, 1972. Copies of Annex 7 and Annex 4 may be obtained from the Headquarters, U.S. Customs Service, Office of Field Operations, 1300 Pennsylvania Avenue, NW., Washington, DC 20229. [T.D. 86–92, 51 FR 16161, May 1, 1986, as amended by T.D. 99–27, 64 FR 13675, Mar. 22, 1999]
Title 19: Customs Duties
PART 115—CARGO CONTAINER AND ROAD VEHICLE CERTIFICATION PURSUANT TO INTERNATIONAL CUSTOMS CONVENTIONS
Subpart C—Procedures for Approval of Containers by Design Type
§ 115.30 Technical requirements for containers by design type.

