122Revocation of stored communications warrants by chief officers

#### 122 Revocation of stored communications warrants by chief officers (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.