27.—(1) On receiving notification under Article 8(2) of the Council Regulation that a person has become the keeper on a holding, the Welsh Ministers must, subject to paragraph (2), allocate a flockmark in respect of each flock of sheep on the holding and a herdmark in respect of each herd of goats on the holding.
(2) When the holding is a slaughterhouse or a market, the Welsh Ministers must allocate a flockmark or herdmark only where they deem it appropriate to do so.
(3) The keeper must notify the Welsh Ministers in writing of any change in the information specified in Article 8(2)(a) of the Council Regulation within thirty days of such change.