# The Environmental Protection (Prescribed Processes and Substances) Regulations 1991, Paragraph 23

Extent: E+W+S

The prescribed date in the case of a Part B process is, except in the case of an existing process, the date specified in paragraph 25 below as the date from which application may be made for authorisation to carry on an existing process of the same description.

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Source: https://www.legislation.gov.uk/uksi/1991/472/schedule/3/paragraph/23 (the official version)
Page: https://openlegislation.uk/environmental-protection-prescribed-processes-and-substances-regulations-1991/schedule-3/paragraph-23
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.