art 7 Veterinary investigation as to the existence of disease
(1) Where, for any reason, the National Assembly for Wales or Secretary of State considers it necessary to establish whether or not disease exists on any premises or means of transport, a veterinary inspector may carry out such inquiries, examinations and tests and take such samples as he or she considers necessary. (2) A veterinary inspector may mark, or cause to be marked, for identification purposes any animal, carcase or other thing in relation to which any of the powers under paragraph (1) have been exercised. (3) The defacing, obliteration or removal of any mark applied under paragraph (2) is prohibited. (4) The person in charge of the premises or means of transport or any person in his or her employment must render such reasonable assistance to a veterinary inspector as he or she may require for the purpose of facilitating the exercise of his or her powers under paragraph (1) or (2).