# The Seed Potatoes (Wales) Regulations 2016, Paragraph 4


(1) No growing crop certificate may be issued containing a statement that seed potatoes are capable of being marketed as pre-basic seed potatoes of any grade unless the authorised officer is satisfied that the land on which the seed potatoes are growing or were grown—
(a) is land which, as a result of a soil test carried out by the Welsh Ministers prior to the planting of the crop, has been found not to be contaminated with Potato Cyst Nematode (Globodera species infesting potatoes);
(b) is not demarcated under Part 4 of Schedule 2 to the Official Controls (Plant Health) Regulations as infested with a European population of Potato Cyst Nematode; and
(c) has not been used for growing potatoes at any time during the seven years immediately preceding the planting of the crop.
(2) But sub-paragraph (1)(a) does not apply in the case of seed potatoes grown in a soil-free medium.

---
Source: https://www.legislation.gov.uk/wsi/2016/106/schedule/1/paragraph/4 (the official version)
Page: https://openlegislation.uk/seed-potatoes-wales-regulations-2016/schedule-1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.