StacksVerified U.S. regulatory reference

33 CFR §173.81

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)In a State where the Coast Guard is the issuing authority, the following Coast Guard forms must be used:
    1. (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.
    2. (2)Each notification required by § 173.29(b) must be made on Form CG-2921, Notification of Change in Status of Vessel.
    3. (3)Each notification required by § 173.29(a) must be made on Form CG-3920, Change of Address Notice.
    4. (4)Each notification required by § 173.29(c) must be made in writing.
    5. (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.
    6. (6)Each vessel casualty required to be reported by § 173.55 must be made on Form CG-3865.
  2. (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.