StacksVerified U.S. regulatory reference

46 CFR §136.215

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)A COI for a towing vessel is valid for 5 years from the date of issue.
  2. (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.
  3. (c)A COI may be suspended and withdrawn or revoked by the cognizant Officer in Charge, Marine Inspection at any time for noncompliance with the requirements of this subchapter.