(a) Except as provided in this section, each OSV must comply with the fire-protection provisions of chapter II-2 of SOLAS, 1974, as amended (incorporated by reference, see Sec. 125.180) applicable to passenger vessels carrying more than 36 passengers.
(b) OSVs authorized for carriage of 240 or fewer persons may comply with the fire-protection provisions of chapter II-2 of SOLAS, 1974, as amended, applicable to passenger vessels carrying not more than 36 passengers but need not comply with regulations II-2/21 and II-2/22.