(1)In this Act " the principal Act" means the Rivers (Prevention of Pollution) Act, 1951.
(2)This Act shall be construed as one with the principal Act, and in sub-paragraph (2) of paragraph 5 of the Second Schedule to the principal Act the reference to sections two to eight of that Act shall include a reference to the provisions of this Act.
(3)Nothing in this Act or section seven of the principal Act shall be taken as applying to the discharge of effluent from a ship or vessel.
(4)Any reference in this Act to any other enactment shall be construed as a reference to that enactment as amended by or under any other enactment.