The enactments specified in Schedule 3 to this Act shall have effect subject to the amendments there specified (which are minor amendments and amendments consequential on provisions of this Act).
The enactments mentioned in the first and second columns of Schedule 4 to this Act are hereby repealed to the extent specified in the third column of that Schedule.
The Secretary of State may by order repeal or amend any provision of any local Act passed before this Act (including an Act confirming a provisional order) or of any order or other instrument made under an Act so passed if it appears to him that the provision is inconsistent with, or has become unnecessary or requires alteration in consequence of, any provision of this Act or corresponds to any provision repealed by this Act or relates to trade effluent.