Exemption for discharges which comply with conditions
4Protection for persons complying with conditions
(1)The discharge of trade or sewage effluent to a stream in accordance with consent granted under this Act or section seven of the principal Act shall not constitute an offence under, or a contravention of—
(a)paragraph (a) of subsection (1) of section two of the principal Act, or
(b)any order under section three of the principal Act, or
(c)section eight of the Salmon and Freshwater Fisheries Act, 1923, or
(d)any byelaw under the Sea Fisheries Regulation Acts, 1888 to 1894, or
(e)paragraph 32 of the Third Schedule to the Gas Act, 1948, or section sixty-eight of the Public Health Act, 1875,
and if conditions are imposed under this Act or section seven of the principal Act in relation to making a discharge, or a new discharge, for which the requisite consent has not been given, and are for the time being in force, the making of a discharge from the land or premises to which the conditions relate in compliance with the conditions shall not be an offence under, or a contravention of, any of those enactments.
(2)Paragraph (a) of subsection (1) of section five of the principal Act (under which byelaws may prescribe standards for the purpose of determining whether an effluent is polluting) shall cease to have effect.