INTERCEPTION OF COMMUNICATIONS AND SURVEILLANCE ORDINANCE PART 5 Section 57 5-4 Cap. 589 (a) shall, as soon as reasonably practicable after he becomes aware that the ground for discontinuance of the prescribed authorization or a part of the prescribed authorization exists, cause the interception or covert surveillance or the relevant part of the interception or covert surveillance to be discontinued; and (b) may at any time cause the interception or covert surveillance or a part of the interception or covert surveillance to be discontinued. (3) Where any officer has caused any interception or covert surveillance to be discontinued, whether under subsection (1) or (2), he shall, as soon as reasonably practicable after the discontinuance, cause a report on the discontinuance and the ground for the discontinuance to be provided to the relevant authority to whom an application under this Ordinance for the issue or renewal of the prescribed authorization concerned has last been made. (4) Where the relevant authority receives a report under subsection (3), he shall, as soon as reasonably practicable after receiving the report, revoke the prescribed authorization concerned or the relevant part of the prescribed authorization concerned. (5) Where the prescribed authorization or a part of the prescribed authorization is revoked under subsection (4), the prescribed authorization or that part of the prescribed authorization is, notwithstanding the relevant duration provision, to cease to have effect from the time of the revocation. (5A) If only part of the prescribed authorization is revoked, the relevant authority may do one or both of the following— (a) vary any terms or conditions in the prescribed authorization; Last updated date 24.6.2016