The following must be stated in a warrant issued under section 535:
(a) the purpose for which the warrant is issued, and the nature of the offence or breach in relation to which the entry and search are authorised;
(b) whether entry is authorised to be made at any time of the day or night or during specified hours of the day or night;
(c) a description of the kind of things to be seized;
(d) a day, not later than 7 days after the day of issue of the warrant, upon which the warrant ceases to have effect.