46 CFR §136.172
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
An existing towing vessel subject to this subchapter will remain subject to Coast Guard regulations applicable to the vessel on July 19, 2016 until either July 20, 2018 or the date the vessel obtains a COI, whichever date is earlier.