(a) This subpart applies to all vessels contracted for on or after August 22, 2016, except for recreational vessels as defined in 33 CFR 175.3, which are governed by fire safety equipment requirements at 33 CFR part 175, subpart E.

(b) All vessels contracted for before August 22, 2016, and after November 19, 1952, except recreational vessels as defined in 33 CFR 175.3, must meet the requirements of 46 CFR 25.30-80.

(c) All vessels, contracted for before November 19, 1952, except recreational vessels as defined in 33 CFR 175.3, must meet the requirements of 46 CFR 25.30-90.