---
kind: "section"
citation: "46 C.F.R. § 136.215"
title: "46"
number: "136.215"
heading: "Period of validity."
url: "https://uscodex.org/cfr/46/136.215"
---

# §136.215. Period of validity.

- (a) **A COI for a towing vessel is valid for 5 years from the date of issue.**
- (b) For a towing vessel utilizing the TSMS option, the COI is invalid upon the expiration or revocation of the owner or managing operator TSMS certificate or the ISM Code Certificate.
- (c) A COI may be suspended and withdrawn or revoked by the cognizant Officer in Charge, Marine Inspection at any time for noncompliance with the requirements of this subchapter.

## Notes

### Authority

Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation 0170.1.

### Source

Source: 81 FR 40101, June 20, 2016, unless otherwise noted.