# Psychoactive Substances Act 2016, Paragraph 10


(1) Where the occupier of premises to be entered and searched under a search warrant is present at the time when a relevant enforcement officer seeks to execute the warrant, the following requirements must be satisfied—
(a) the occupier must be told the officer's name;
(b) if not a constable in uniform, the officer must produce to the occupier documentary evidence that the officer is a relevant enforcement officer;
(c) the officer must produce the warrant to the occupier;
(d) the officer must supply the occupier with a copy of it.
(2) Where the occupier of premises to be entered and searched under a search warrant is not present at the time when a relevant enforcement 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.

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Source: https://www.legislation.gov.uk/ukpga/2016/2/schedule/3/paragraph/10 (the official version)
Page: https://openlegislation.uk/psychoactive-substances-act-2016/schedule-3/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.