---
kind: "section"
citation: "33 C.F.R. § 173.81"
title: "33"
number: "173.81"
heading: "Coast Guard forms for numbering and casualty reporting."
url: "https://uscodex.org/cfr/33/173.81"
---

# §173.81. Coast Guard forms for numbering and casualty reporting.

- (a) In a State where the Coast Guard is the issuing authority, the following Coast Guard forms must be used:
  - (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) Each notification required by [§ 173.29(b)](/cfr/33/173.29.md?p=b) must be made on Form CG-2921, Notification of Change in Status of Vessel.
  - (3) Each notification required by [§ 173.29(a)](/cfr/33/173.29.md?p=a) must be made on Form CG-3920, Change of Address Notice.
  - (4) Each notification required by [§ 173.29(c)](/cfr/33/173.29.md?p=c) must be made in writing.
  - (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) Each vessel casualty required to be reported by [§ 173.55](/cfr/33/173.55.md) must be made on Form CG-3865.
- (b) Each surrender of a certificate of number required by [§ 173.31](/cfr/33/173.31.md) may be made in any form but must contain a written statement as to why the certificate is being surrendered.

## Notes

### Authority

Authority: 31 U.S.C. 9701; 46 U.S.C. 2110, 6101, 12301, 12302; OMB Circular A-25; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 72-54R, 37 FR 21399, Oct. 7, 1972, unless otherwise noted.