Part VE+W Questioning and Treatment of Persons by Police

[F163MRetention of section 63D material for purposes of national securityE+W

(1)Section 63D material may be retained for as long as a national security determination made by [F2 a ] chief officer of police has effect in relation to it.

(2)A national security determination is made if [F3 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 [F45 years] beginning with the date on which it is made, and

(c)may be renewed.]