The Plant Health Order (Northern Ireland) 2006

6.  When a declaration has been made pursuant to paragraph 1 that the provisions of this paragraph shall apply—

(a) where the zone has been demarcated for the purposes of Article 5(1)(a)(iv) of Directive 98/57/EC—

(i) machinery and stores at premises within the zone which are used for growing, storing or handling potato tubers or tomatoes within the zone and premises within the zone from which machinery for potato and tomato production is operated under contract, shall be cleansed and, where appropriate, disinfected in accordance with paragraph 6(b) of Part A;

(ii) with regard to potato crops in the zone, only certified seed potatoes may be planted; and

(iii) potatoes intended for planting shall be handled separately from all other potatoes at all premises within the zone;

(b) where surface water has been designated by an inspector as contaminated for the purposes of Article 5(1)(c)(ii) of Directive 98/57/EC—

(i) the use of water designated as contaminated for the irrigation and spraying of specified plant material and where appropriate, other host plants, shall be prohibited without the written authorisation of an inspector, in order to prevent the spread of R. solanacearum; and

(ii) if liquid waste discharges have been contaminated, the disposal of waste from industrial processing or packaging premises which handle specified plant material shall be carried out under the supervision of an inspector.