The Managing Director of a carrier shall give to the Minister, within 3 months after a warrant under section 46 or 46A ceases to be in force, a written report about the acts or things done by or in relation to employees of the carrier:
(a) to enable, or in connection with enabling, communications to be intercepted under the warrant; and
(b) to ensure discontinuance of interceptions under the warrant;
and the days on which, and the times at which, those acts or things were done.