46 CFR § 142.105
Applicability and delayed implementation for existing vessels
April 15, 2021
This part applies to all towing vessels subject to this subchapter.
(a) An existing towing vessel must comply with the requirements in this part no later than either July 20, 2018 or the date the vessel obtains a Certificate of Inspection (COI), whichever date is earlier.
(b) The delayed implementation provisions in paragraph (a) of this section do not apply to a new towing vessel.