The Plant Health Order (Northern Ireland) 2006

15.  Where a place of production is designated by an inspector to be contaminated for the purposes of Article 5(1)(a)(ii) of Directive 98/57/EC, the notice referred to in paragraph 8 may require that with regard to any fields at that place other than those referred to in paragraph 9—

(a) from the date of receipt of the notice and for one growing year following the start of the next growing year no potato tubers or potato plants or other host plants of R. solanacearum shall be planted, save that if an inspector is satisfied that any risk of the occurrence of volunteer potato plants and tomato plants and other host plants of R. solanacearum including solanaceous weeds has been eliminated certified seed potatoes may be planted for ware production only;

(b) if potatoes are to be planted, in the first growing year following that specified in paragraph (a), only certified seed potatoes may be planted, and only for seed or ware production;

(c) if potatoes are to be planted, in the second growing year following that specified in paragraph (a) and, where appropriate, in any subsequent growing year which may be specified in the notice, only certified seed potatoes may be planted, and only for seed or ware production; and

(d) from the date of the receipt of the notice and in each of the growing years referred to in this paragraph, measures shall be taken to eliminate volunteer potatoes and tomato plants and other host plants of R. solancearum including solanaceous weeds as appropriate.