Road Safety Authority (Commercial Vehicle Roadworthiness) Act 2012
24.— (1) The Minister may appoint persons to be authorised officers for the purposes of this Part.
(2) An authorised officer—
( a) shall be furnished with a warrant of his or her appointment, and
( b) when exercising a power conferred on him or her shall, if requested by any person affected, produce the warrant of his or her appointment to that person for inspection.