For an application for an extension of a surveillance warrant, the information is as follows—
(a) if and when powers were exercised under the warrant before the application;
(b) if a surveillance device was not installed under the warrant before the application—why it was not installed;
(c) whether or not the warrant was extended;
(d) if the warrant was extended—(i) the date to which the warrant was extended; and(ii) the benefits derived from exercising powers under the warrant after it was extended.Note—See section 11 (f) (iii) for examples of benefits derived under a surveillance warrant.