Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) The chief officer of a criminal law - enforcement agency to which a stored communications warrant has been issued must, on being satisfied that the grounds on which the warrant was issued have ceased to exist:
(a) cause the chief officer of any other criminal law - enforcement agency that is exercising authority under the warrant to be informed forthwith of the proposed revocation of the warrant; and
(b) by writing signed by him or her, revoke the warrant.
(2) The chief officer of a criminal law - enforcement agency may at any time, by writing signed by him or her, revoke a warrant issued to the agency after causing the chief officer of any other criminal law - enforcement agency that is exercising authority under the warrant to be informed forthwith that the chief officer proposes to revoke the warrant.
(3) The chief officer of a criminal law - enforcement agency may delegate his or her power under subsection (2) to a certifying officer of the agency.
(4) This section does not apply in relation to a warrant that has ceased to be in force.