Regulation 12 Powers of an authorised person
An authorised person may, on producing the written authorisation mentioned in regulation 11(1) or 11(2) or other official identity document in the case of a police constable or a community support officer (as defined in regulation 11(4)), if required—
serve on the keeper of a dog which is not microchipped a notice requiring the keeper to have the dog microchipped within 21 days;
where the keeper of a dog has failed to comply with a notice under paragraph (a), without the consent of the keeper—
arrange for the dog to be microchipped; and
recover from the keeper the cost of doing so;
take possession of a dog without the consent of the keeper for the purpose of checking whether it is microchipped or for the purpose of microchipping it in accordance with sub-paragraph (b)(i).