Article 24 Execution of the warrant
(1)
A person executing a warrant of arrest shall, upon arresting the relevant person—
(a)
if they have the warrant with them, show it to the relevant person; or
(b)
otherwise state where the warrant is and what arrangements may be made to allow the relevant person to inspect it;
(c)
explain in ordinary language the reason for the arrest; and
(d)
unless he is a constable in uniform, produce documentary proof of his identity.