46 C.F.R. § 180.10 Applicability to vessels on an international voyage.
Title 46 - Shipping
A vessel on an international voyage subject to the International Convention for the Safety of Life at Sea, 1974, (SOLAS) must meet the requirements in subchapter W of this chapter for passenger vessels in the same service, instead of the requirements of this part. [CGD 85–080, 62 FR 51357, Sept. 30, 1997]
Title 46: Shipping
PART 180—LIFESAVING EQUIPMENT AND ARRANGEMENTS
Subpart A—General Provisions
§ 180.10 Applicability to vessels on an international voyage.

