http://www.legislation.gov.uk/ukpga/2018/30/section/27/enactedIvory Act 2018enKing's Printer of Acts of Parliament2018-12-20
Powers of entry, search and seizurePowers of entry, search and seizure: supplementary provision
27
1
An officer who is exercising, or is about to exercise, a power conferred by section 14, 15, 16 or 22 must—
a
give his or her name, and
b
if not a constable in uniform, produce documentary evidence that he or she is authorised to exercise the power,
if asked to do so by a person entitled to make the request.
2
The persons entitled to make the request are—
a
in the case of a power exercisable in relation to an individual, that individual;
b
in the case of a power exercisable in relation to a vehicle, vessel or aircraft, a person in charge of that vehicle, vessel or aircraft;
c
in the case of a power exercisable in relation to premises, an occupier of those premises who is on the premises.
3
An officer need not comply with subsection (1) if it is not reasonably practicable to do so.
4
An officer may use reasonable force, if necessary, for the purpose of exercising a power conferred on the officer by sections 14 to 25.
5
A person authorised under section 18(4) to accompany an officer may use reasonable force, if necessary, for the purpose of exercising a power conferred by sections 17 to 25.
6
The powers conferred on an officer by any of sections 14 to 25 do not affect any powers exercisable by the officer apart from those sections.