(1)This section applies where a police or customs officer has reasonable grounds to suspect that a person has committed, or is likely to commit, an offence under any of sections 4 to 9 or section 26.
(2)The officer may—
(a)search the person for relevant evidence, and
(b)stop and detain the person for the purposes of the search.
(3)The powers conferred by this section may be exercised in any place to which the officer lawfully has access (whether or not it is a place to which the public has access).
(4)In this Act—
“police or customs officer” means—
a constable,
a general customs official, or
a designated NCA officer authorised by the Director General of the National Crime Agency (whether generally or specifically) to exercise the powers of a police or customs officer under this Act;
“relevant evidence” means evidence that an offence has been committed under any of sections 4 to 9 or section 26.