# National Security Act 2023, Paragraph 29: Requirement

Extent: E+W+S+N.I.

(1) A person’s detention must be periodically reviewed by a review officer.
(2) The first review must be carried out as soon as is reasonably practicable after the time of the person’s arrest.
(3) Subsequent reviews must be carried out at intervals of not more than 12 hours.
This is subject to paragraph 30.
(4) A person’s detention may not be reviewed after a warrant has been issued under Part 6 of this Schedule extending the detention period.

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Source: https://www.legislation.gov.uk/ukpga/2023/32/schedule/6/paragraph/29 (the official version)
Page: https://openlegislation.uk/national-security-act-2023/schedule-6/paragraph-29
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.