{"data":{"id":"us/33-cfr-174.16","jurisdiction":"us","citation":"33 CFR 174.16","heading":"Verification of hull identification numbers (HINs).","body":"(a) As used in this section, “action” means an action by an issuing authority listed in 33 CFR part 173, appendix A, to issue, renew, or update the ownership information for a certificate of number under this part but does not include the issuance of a temporary certificate under 33 CFR 174.21.\n(b) As of January 1, 2017, before taking any action relating to a vessel imported or manufactured on or after November 1, 1972, the issuing authority must determine whether the vessel has a primary HIN meeting the requirements of 33 CFR part 181, subpart C.\n(c) If, pursuant to paragraph (b) of this section, the issuing authority determines that the vessel does not have a primary HIN meeting the requirements of 33 CFR part 181, subpart C, then before taking any action the issuing authority must—\n(1) Assign such a primary HIN to the vessel; and\n(2) Verify that the owner of the vessel has permanently affixed the assigned primary HIN to the vessel in compliance with 33 CFR part 181, subpart C.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—BOATING SAFETY","PART 174—STATE NUMBERING AND CASUALTY REPORTING SYSTEMS","Subpart B—Numbering System Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"407b11e0ed983d934b4be4ab46a2bd3054931ff004f8635c61ce7a83fdc06347","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-174.15","next":"us/33-cfr-174.17"},"notice":"GroundRules: Original legal text. Not legal advice."}