(1) A crime scene warrant must state—(a) that a stated police officer may establish a crime scene at the place and exercise crime scene powers at the place; and(b) the day, not more than 7 days after the warrant is issued, the warrant ends, unless extended under section 173 (2) .
(2) If the issuer is a Supreme Court judge, the warrant must state whether or not a police officer may, under the warrant, do something that may cause structural damage to a building.