18.—(1) Where an inspector enters any premises pursuant to regulation 17, the inspector may—
(a)open any package, bundle or container;
(b)carry out any searches, inspections, measurements and tests;
(c)take samples;
(d)have access to, and inspect any books, documents or records (in whatever form they are held) relating to these Regulations and removing them to enable them to be copied;
(e)photograph or copy anything the inspector may inspect under sub-paragraph (d);
(f)photograph anything which the inspector has reasonable cause to believe may be relevant in connection with the enforcement of these Regulations; and
(g)seize any computers and associated equipment for the purpose of copying documents provided that they are returned as soon as practicable.
(2) Any person who accompanies an inspector pursuant to regulation 17(6) may perform any of the inspector's functions under this regulation but only under the supervision of that inspector.