46 U.S.C. § 44101
Application
This chapter applies to a vessel that—
(1)
has berth or stateroom accommodations for at least 50 passengers; and
(2)
boards passengers at a port in the United States.
( Pub. L. 109–304, § 7 , Oct. 6, 2006 , 120 Stat. 1554 .)