# Terrorism Act 2000, Paragraph 9


(1) A senior police officer may—
(a) cancel an authorisation with effect from a time identified by the officer concerned;
(b) substitute an earlier date or time for the specified date or time;
(c) substitute a more restricted area or place for the specified area or place.
(2) Any such cancellation or substitution in relation to an authorisation confirmed by the Secretary of State under paragraph 7 does not require confirmation by the Secretary of State.

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Source: https://www.legislation.gov.uk/ukpga/2000/11/schedule/6B/paragraph/9 (the official version)
Page: https://openlegislation.uk/terrorism-act-2000/schedule-6B/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.