Regulation 30The Authority may(a) where it is reasonable to do so and taking into account the size of the ship and the number of persons on board a ship, exempt a ship not exceeding two hundred gross tonnage from the following provisions of these Regulations(i) regulation 22(b), 24(1) (d) and 28, and(ii) regulation 25(5) in respect of floor area only;(b) exempt a ship which does not exceed three thousand gross tonnage from the provisions of regulation 24(1)(b), 24(2) and 26; or(c) exempt a special purpose ship from the provisions of regulation 24(2).