Separation in the interests of varietal purity
7.—(1) The production of seed potatoes shall at all stages be conducted in such manner as to ensure that they are kept separate from–
(a)seed potatoes of any other class or variety;
(b)any potatoes other than seed potatoes.
(2) The Scottish Ministers may withdraw a certificate of classification where they are not satisfied that the seed potatoes covered by the certificate have been produced in compliance with paragraph (1).