33 CFR 181.23 : Navigation And Navigable Waters (§ 1.01-1 To Parts 404-499) — (§ 125.01 To Parts 188-199) — Coast Guard, Department Of Homeland Security (Continued) (§ 125.01 To Parts 188-199) — Boating Safety (§ 173.1 To Parts 188-199) — Manufacturer Requirements (§ 181.1 To § 181.705) — Identification Of Boats (§ 181.21 To § 181.35) — Hull identification numbers required.

(a) A manufacturer must identify each boat produced or imported with primary and secondary hull identification numbers permanently affixed in accordance with § 181.29 of this subpart.

(b) A person who manufactures or imports a boat for his or her own use and not for sale must obtain the required hull identification number in accordance with the requirements of the issuing authority listed in 33 CFR part 173, Appendix A for the boat's State of principal operation and permanently affix the HIN to the boat in accordance with § 181.29 of this subpart.

(c) No person may assign the same HIN to more than one boat.