# Pollution Prevention and Control Act 1999, Paragraph 4


(1) Prohibiting persons from operating any installation or plant of any specified description, or otherwise carrying on any activities of any specified description, except—
(a) under a permit in force under the regulations, and
(b) in accordance with any conditions to which the permit is subject.
(2) In relation to England and Wales, imposing such a prohibition in relation to an activity except where the carrying on of the activity meets conditions determined by the regulators in accordance with the regulations.

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Source: https://www.legislation.gov.uk/ukpga/1999/24/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/pollution-prevention-and-control-act-1999/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.