# Police and Criminal Evidence Act 1984, Section 63M: Retention of section 63D material for purposes of national security

Extent: E+W

(1) Section 63D material may be retained for as long as a national security determination made by a chief officer of police has effect in relation to it.
(2) A national security determination is made if a chief officer of police determines that it is necessary for any section 63D material to be retained for the purposes of national security.
(3) A national security determination—
(a) must be made in writing,
(b) has effect for a maximum of 5 years beginning with the date on which it is made, and
(c) may be renewed.

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Source: https://www.legislation.gov.uk/ukpga/1984/60/section/63M (the official version)
Page: https://openlegislation.uk/police-and-criminal-evidence-act-1984/section-63M
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.