(1) A surveillance device warrant may be revoked at any time before the expiration of the period of validity specified in it by—
(a) a Supreme Court judge, if a Supreme Court judge issued the warrant; or
(b) a magistrate, if a magistrate issued the warrant.
(2) If the circumstances set out in section 20B(2) apply in relation to a surveillance device warrant, the chief officer of the law enforcement agency must, by instrument in writing, revoke the warrant.
(3) A judge or magistrate who revokes a warrant must give notice of the revocation to the chief officer of the law enforcement agency of which the law enforcement officer to whom the warrant was issued is a member.
S. 20A(4) inserted by No. 72/2011 s. 34, amended by No. 30/2016 s. 88.
(4) A judge or magistrate or the chief officer of the law enforcement agency who revokes a warrant must give notice of the revocation to a Public Interest Monitor in accordance with the regulations under the Public Interest Monitor Act 2011 .
S. 20B inserted by No. 26/2004 s. 9.