20. An authorised officer entering premises under these Regulations may—
(a)inspect any bovine carcase or pig carcase or part of such a carcase, or any carcase or part of a carcase which the officer reasonably suspects to be a bovine or pig carcase or part of such a carcase;
(b)examine any record which an operator is required to keep under regulation 8, 12, 16 or 17 or under the Commission Delegated Regulation or the Commission Implementing Regulation, and where any such record is kept by means of a computer, have access to and inspect and check the operation of any computer and associated apparatus or material which is or has been in use in connection with that record;
(c)require that copies of or extracts from any such record be produced and, where such record is kept by means of a computer, require it to be produced in a form in which it may be taken away; and
(d)retain any such record which the authorised officer has reason to believe may be required as evidence in proceedings under these Regulations.