111E+W+SIn section 133 of that Act (effect of determination on reference or review) for subsection (4) (duties of sewerage undertaker to be enforceable under section 18 by the Secretary of State) there shall be substituted—
“(5)A sewerage undertaker which fails to perform its duty under subsection (1) above shall be guilty of an offence and liable—
(a)on summary conviction, to a fine not exceeding the statutory maximum;
(b)on conviction on indictment, to a fine.
(6)The Environment Agency may, for the purpose of securing compliance with the provisions of a notice under section 132 above, by serving notice on the sewerage undertaker in question and on the person specified in section 132(2)(a)(ii) above, vary or revoke—
(a)any consent given under this Chapter to make discharges of any special category effluent, or
(b)any agreement under section 129 above.”