(cf Search Warrants Act 1985 , s 21)
(1) The person to whom a warrant other than a covert search warrant is issued must furnish a report in writing to the eligible issuing officer who issued the warrant--(a) stating whether or not the warrant was executed, and(b) if the warrant was executed--setting out briefly the result of the execution of the warrant (including a brief description of anything seized), and(c) if the warrant was not executed--setting out briefly the reasons why the warrant was not executed, and(d) in the case of a search warrant--stating whether or not an occupier's notice has been served in connection with the execution of the warrant, and(d1) if a digital evidence access order was issued in connection with the warrant--setting out a brief description of the use of the order, and(e) in the case of a telephone warrant--containing a copy of the form of warrant and, in the case of a search warrant, the form of occupier's notice if those documents were not furnished to the person, and(f) containing such other particulars as may be prescribed by the regulations.
(2) The report must be furnished within 10 days after the execution of the warrant or the expiry of the warrant, whichever first occurs.