If a magistrate issues a warrant, the magistrate is to state in the warrant:
(a) a description of the premises to which the warrant relates; and
(b) that the warrant authorises one or more authorised officer s (whether or not named in the warrant):
(i) to enter the premises; and
(ii) to exercise the powers set out in section 12 ; and
(c) whether the warrant may be executed at any time or only during particular hours; and
(d) the day (not more than 6 months after the issue of the warrant) on which the warrant ceases to have effect.