23.—(1) This Act, except this section and sections 21 and 24, comes into operation on such day or days as the Department may by order appoint.
(2) Without prejudice to section 21(1), an order under subsection (1) may contain such transitional, transitory or saving provision as the Department considers necessary or expedient in connection with any provision brought into operation by the order.
(3) In this section, “the Department” has the same meaning as in section 21.