4.—(1) Sections 54 and 54A (inserted by Regulation 21 of the European Communities (Environmental Impact Assessment) Regulations, 1989 (S.I. No. 349 of 1989)) of the Act of 1980 are hereby repealed.

(2) Any order under section 54 of the Act of 1980 in force immediately before the commencement of this section is, on that commencement, revoked.

(3) The revocation of an order referred to in subsection (2) shall not affect the validity or the operation of any aquaculture licence granted under section 54 of the Act of 1980 and the licence shall continue as if that section had never been repealed.