5.—(1) Any reference in any statutory provision or document to the Authority shall, in relation to any time after the appointed day, be construed as a reference to the Board.
(2) Nothing in this Order affects the validity of anything done by, or in relation to, the Authority before the appointed day.
(3) Anything which before the appointed day was done by or in relation to the Authority shall, if in effect immediately before that day, continue to have effect to the same extent and subject to the same provisions as if it had been done by, or in relation to, the Board.
(4) Anything (including any legal proceedings) in the process of being done by or in relation to the Authority immediately before the appointed day may be continued by or in relation to the Board.