(1) Subject to section 26, for the purposes of this Part an authorised officer may at any reasonable time enter any CVR testing centre and any other premises which he or she believes on reasonable grounds is used or has been used for CVR tests and may -

(a) inspect the CVR testing centre and premises,

(b) inspect any testing facilities and equipment in the CVR testing centre or on the premises,

(c) enter and inspect any CVR vehicle,

(d) observe and supervise CVR tests in order to ascertain whether or not CVR tests are being carried out in accordance with this Part (including any regulations made under this Part and any directions or guidelines),

(e) inspect any books, documents or records relating to the maintenance and CVR testing of vehicles or the general testing of vehicles and to the rectification of defects identified in vehicles during the course of a test,