9(1)Where the occupier of a dwelling that is to be entered under a warrant is present at the time when a marine enforcement officer seeks to execute the warrant, the following requirements must be satisfied—
(a)the occupier must be told the officer’s name,
(b)the officer must produce to the occupier documentary evidence of the fact that the officer is a marine enforcement officer,
(c)the officer must produce the warrant to the occupier,
(d)the officer must supply the occupier with a certified copy of it.
(2)Where—
(a)the occupier of a dwelling that is to be entered under a warrant is not present when a marine enforcement officer seeks to execute it, but
(b)some other person who appears to the officer to be in charge of the dwelling is present,
sub-paragraph (1) has effect as if any reference to the occupier were a reference to that other person.
(3)If there is no person present who appears to the marine enforcement officer to be in charge of the dwelling, the officer must leave a certified copy of the warrant in a prominent place there.