CFR /  Title 46  /  Part 72  /  Sec. 72.20-40 Other spaces.

Each vessel must have--

(a) Sufficient facilities where the crew may wash and dry their own clothes, including at least 1 sink supplied with hot and cold fresh water;

(b) Recreation spaces; and

(c) A space or spaces of adequate size on an open deck to which the crew has access when off duty.