4.—(1) Any function of the Board under section 46 (powers of Board to approve arrangements for scheme ceasing to be certified) which fell to be exercised before the principal appointed day but has not been exercised may be exercised by the Department and, for the purposes of determining the date on which any state scheme premium has become payable, any certificate issued under section 46(2) shall be taken to have had effect from the date specified by the Department.
(2) Subject to paragraph (3), sections 51 to 64, 165(1) and 166(1) (state scheme premiums) shall continue to have effect as if this Order had not come into operation in relation to any state scheme premium which has been paid before the principal appointed day or is payable immediately before that day, and nothing in this Order shall affect the operation of any other provision of the Act or any provision of any other enactment in relation to any such premium.
(3) Any function of the Board in relation to state scheme premiums under the provisions referred to in paragraph (2) falling to be exercised after the principal appointed day shall be exercised by the Department.