Evidence of authority etc
6(1)Where the occupier of premises to be entered and searched under a search and seizure warrant is present at the time when a police or customs officer seeks to execute the warrant, the police or customs officer—
(a)must identify himself or herself to the occupier and, if not a constable in uniform, must produce to the occupier documentary evidence that he or she is a police or customs officer;
(b)must produce the warrant to the occupier;
(c)must supply the occupier with a copy of it.
(2)Where the occupier of premises to be entered and searched under a search and seizure warrant is not present at the time when a police or customs officer seeks to execute the warrant—
(a)if some other person who appears to the officer to be in charge of the premises is present, sub-paragraph (1) has effect as if a reference to the occupier were a reference to that other person;
(b)if not, the officer must leave a copy of the warrant in a prominent place on the premises.