(1) Where:
(a) an authorised representative of a carrier has been given a copy of a warrant under section 9A or 11B; and
(aa) the warrant is not a warrant that authorises interception of communications made by means of a telecommunications device or telecommunications devices identified in the warrant; and
(b) it is proposed, under the warrant, to intercept communications made to or from a telecommunications service operated by the carrier; and
(c) the service was not identified in the warrant;
a certifying person must cause that authorised representative to be given, as soon as practicable, a description in writing of the service sufficient to identify it.
(1A) Where:
(a) an authorised representative of a carrier has been given a copy of a warrant under section 9A or 11B; and
(b) the warrant is a warrant that authorises interception of communications made by means of a telecommunications device or telecommunications devices identified in the warrant; and
(c) it is proposed, under the warrant, to intercept, by means of a telecommunications device, communications made to or from a telecommunications service operated by the carrier; and
(d) the device was not identified in the warrant;
a certifying person must cause that authorised representative to be given, as soon as practicable, a description in writing of the device sufficient to identify it.
(2) Where:
(a) an authorised representative of a carrier has been given a description of a telecommunications service to or from which, or a telecommunications device or telecommunications devices by means of which, communications are proposed to be intercepted under a warrant under section 9A or 11B; and
(b) the Director - General of Security is satisfied that the interception of communications to or from that service, or by means of the device or devices, is no longer required;
a certifying person must cause:
(c) that authorised representative to be informed of the fact immediately; and
(d) confirmation in writing of the fact to be given as soon as practicable to that authorised representative.