Additional measures applicable to a unit of protected crop production
23.—(1) This paragraph applies to the planting of any potato tubers, plants or true seeds in a contaminated unit of protected crop production where it is possible to replace all of the growing medium in the unit.
(2) No person may plant any potato tubers, plants or true seeds in the unit without the written authorisation of a plant health inspector.
(3) A plant health inspector may not grant an authorisation under sub-paragraph (2) unless—
(a)all of the measures to eliminate Potato ring rot and to remove all host plants which are specified in a notice in relation to the place of production in which the unit is situated have been complied with;
(b)the growing medium in the unit has been completely changed; and
(c)the unit and all equipment used on the unit has been cleansed and disinfected to eliminate Potato ring rot and to remove all host plant material.
(4) Where an authorisation is granted under sub-paragraph (2), the authorisation may specify that only certified seed potatoes, mini-tubers or micro-plants derived from officially tested sources may be used in the production.