58.— (1) The Minister may by order specify that any reference to a fishery year in the Principal Act shall on and after such 31 December as may be specified in the order be construed and have effect as a reference to a period which is co-extensive with the calendar year.

(2) The Minister may as regards any provision contained in the Principal Act which relates to the determining, making, levying, collection or recovery of fishery rates and which is directly or indirectly related to or affected by the order described in subsection (1) adapt, modify or otherwise amend the provision in such manner as he or she considers appropriate having regard to the provision.

(3) Where an order under this section is for the time being in force, the Principal Act shall be construed and have effect subject to and in accordance with the provisions of the order.