2N.I.Any order, regulation, rule, byelaw or appointment made, direction, certificate or notice given, or other thing done under any provision contained in an enactment repealed by this Act or by an enactment so repealed shall continue in force and—
(a)if it could have been made, given or done under the corresponding provision of this Act, shall have effect as if it had been so made, given or done;
(b)if it is an order or regulation made under a power which, under the corresponding provision of this Act, is exercisable by a different class of instrument, shall have effect as if it were an instrument of that class made under that provision.