63Designation of zones
(1)A local authority may by order confirmed by the Secretary of State designate all or any part of its area a noise abatement zone.
(2)An order under this section shall specify the classes of premises to which it applies (that is to say, the classes of premises subject to control under the following provisions of this Part of this Act).
(3)An order made and confirmed under this section may be revoked or varied by a subsequent order so made and confirmed.
(4)The provisions of Schedule 1 to this Act shall apply to the confirmation and coming into operation of an order under this section.
(5)In this Part of this Act a " noise abatement order " means an order made under this section.