41 C.F.R. § 109-38.5203 Watercraft identification and numbers.
Title 41 - Public Contracts and Property Management
Watercraft in the custody of DOE or designated contractors shall display identifying numbers, whether issued by the U.S. Coast Guard, State, or local field organization, in accordance with applicable requirements.
Title 41: Public Contracts and Property Management
PART 109–38—MOTOR EQUIPMENT MANAGEMENT
Subpart 109–38.52—Watercraft
§ 109-38.5203 Watercraft identification and numbers.

