{"data":{"id":"us/33-cfr-173.81","jurisdiction":"us","citation":"33 CFR 173.81","heading":"Coast Guard forms for numbering and casualty reporting.","body":"(a) In a State where the Coast Guard is the issuing authority, the following Coast Guard forms must be used:\n(1) Each application for a certificate of number or renewal must be made on two-part Form CG-3876 and 3876A, Application for Number and Temporary Certificate.\n(2) Each notification required by § 173.29(b) must be made on Form CG-2921, Notification of Change in Status of Vessel.\n(3) Each notification required by § 173.29(a) must be made on Form CG-3920, Change of Address Notice.\n(4) Each notification required by § 173.29(c) must be made in writing.\n(5) Each application for a duplicate certificate of number must be made on two-part Form CG-3919 and CG-3919A, Application for Duplicate Certificate of Number and Temporary Duplicate Certificate.\n(6) Each vessel casualty required to be reported by § 173.55 must be made on Form CG-3865.\n(b) Each surrender of a certificate of number required by § 173.31 may be made in any form but must contain a written statement as to why the certificate is being surrendered.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—BOATING SAFETY","PART 173—VESSEL NUMBERING AND CASUALTY AND ACCIDENT REPORTING","Subpart D—Issue of Certificate of Number"],"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":"5bb110658c93a5277faef7ab0f940882774afed6f5a2b8a9fc6b2c1d3ea9104e","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-173.79","next":"us/33-cfr-173.83"},"notice":"GroundRules: Original legal text. Not legal advice."}