46 C.F.R. § 90.35-1 Standards to be used.
Title 46 - Shipping
(a) Where in this subchapter an item, or method of construction, or testing is required to meet the standards established by the American Bureau of Shipping, the current standards in effect at the time of construction of the vessel, or otherwise as applicable, shall be used. The current standards of other recognized classification societies may also be accepted upon approval by the Commandant.
Title 46: Shipping
PART 90—GENERAL PROVISIONS
Subpart 90.35—American Bureau of Shipping's Standards
§ 90.35-1 Standards to be used.