33 C.F.R. § 174.31 Terms imposed by States for numbering of vessels.
Title 33 - Navigation and Navigable Waters
A State numbering system may condition the issuance of a certificate of number on— (a) Title to, or other proof of ownership of a vessel except a recreational-type public vessel of the United States; or (b) Proof of liability insurance for a vessel except a recreational-type public vessel of the United States; or (c) The payment of State or local taxes, except for a recreational-type public vessel of the United States. [CGD 72–54R, 37 FR 21402, Oct. 7, 1972, as amended by USCG–2003–15708, 70 FR 13105, Mar. 18, 2005]
Title 33: Navigation and Navigable Waters
PART 174—STATE NUMBERING AND CASUALTY REPORTING SYSTEMS
Subpart B—Numbering System Requirements
§ 174.31 Terms imposed by States for numbering of vessels.

