---
kind: "section"
citation: "33 C.F.R. § 174.16"
title: "33"
number: "174.16"
heading: "Verification of hull identification numbers (HINs)."
url: "https://uscodex.org/cfr/33/174.16"
---

# §174.16. Verification of hull identification numbers (HINs).

- (a) As used in this section, “action” means an action by an issuing authority listed in [33 CFR part 173](/cfr/33/part173.md), 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](/cfr/33/174.21.md).
- (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](/cfr/33/part181.md), subpart C.
- (c) If, pursuant to [paragraph (b)](#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](/cfr/33/part181.md), [subpart C](/cfr/33/subpartC.md), then before taking any action the issuing authority must—
  - (1) Assign such a primary HIN to the vessel; and
  - (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](/cfr/33/part181.md), subpart C.

## Notes

### Amendments

[USCG-2003-14963, 77 FR 18701, Mar. 28, 2012]

### Authority

Authority: 46 U.S.C. 6101 and 12302; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 72-54R, 37 FR 21402, Oct. 7, 1972, unless otherwise noted.

### Amendments

[USCG-2003-14963, 77 FR 18701, Mar. 28, 2012]