9. In section 88(1) of the Water Resources Act 1991 (defence to principal offences in respect of authorised discharges)(1), after paragraph (a) insert—
“(aa)a permit granted, under regulations under section 2 of the Pollution Prevention and Control Act 1999, by an authority exercising functions under the regulations that are exercisable for the purpose of preventing or reducing emissions in to the air, water and land;”.
(1)