Article 5 Powers of inspectorsI1

enter any administrative site, production site or compartment;

have access to, and inspect, any document or record;

remove and retain a copy of any document or record;

have access to, and check the operation of, any computer and any associated apparatus or material which is or has been used in connection with a document or record;

where a document or record is kept by means of a computer, require the document or record to be produced in a form in which it may be taken away; and

be accompanied by F1... any person the inspector considers necessary.