46 CFR § 142.205
Alternate standards
April 15, 2021
(a) Towing vessels in compliance with Chapter II-2 of SOLAS (incorporated by reference, see §136.112 of this subchapter) will be deemed to be in compliance with this part.
(b) Towing vessels that comply with other alternate standards, deemed by the Commandant to provide an equivalent level of safety and performance, will be in compliance with this part.