The Minister may delegate to an officer of, or a person employed in, the Department all or any of his or her functions and powers under this Act other than:
(a) a function under section 12L; or
(b) the power under section 12N to vary, suspend or revoke an authorisation given under section 12L; or
(c) the power under section 12P to vary or revoke any condition to which an authorisation given under section 12L is subject; or
(d) the power under section 22 to apply for a civil penalty order.