12.—(1) On receipt by the Controller of Plant Varieties of an application under regulation 11(1) and payment of the appropriate plant breeders' fee, the controllers shall consider and process the application in accordance with Breeders' regulations.
(2) In proceedings before them in relation to an application under regulation 11(1), 16(1) or 16(2) the controllers, in addition to any powers conferred by Breeders' regulations, may give such directions as they think fit with regard to the subsequent procedure.
(3) Any person entitled under Breeders' regulations to make written or oral representations on an application under regulation 11(1), 16(1) or 16(2) shall do so in accordance with Breeders' regulations and shall pay the appropriate plant breeders' fee.