# The Seed Potatoes (Wales) Regulations 2016, Paragraph 3


No authorisation is to be issued by an authorised officer unless that officer is satisfied that—
(a) the seed potatoes are of a variety for which an application has been made under regulation 4(1)(a) of the National Lists Regulations for acceptance of the variety concerned on to a National List and that application has not been withdrawn or finally determined;
(b) the land on which the seed potatoes are growing or were grown is not land which is demarcated under Part 3 of Schedule 2 to the Official Controls (Plant Health) Regulations as contaminated with Wart Disease (Synchytrium endobioticum (Schilb) Perc) or is within a safety zone demarcated under those Regulations;
(c) the land on which the seed potatoes are growing or were grown is land which is not contaminated by Globodera species infesting potatoes;
(d) the seed potatoes are taken from a crop of seed potatoes free from Globodera species infesting potatoes, Synchytrium endobioticum (Schilb) Perc, Clavibacter michiganensis (Smith) Davis et al ssp Sepedonicus (Spieck & Kotth) Davis et al) and Ralstonia solanacearum (Smith) Yabuuchi et al);
(e) the number of growing plants affected by blackleg does not exceed 4%;
(f) the immediately succeeding crop produced from the seed potatoes is, in the opinion of the authorised officer, likely to contain—
(i) not more than 0.5% by number of growing plants which do not breed true to variety and not more than 0.2% by number of growing plants which are of a different variety; and
(ii) not more than 10% by number of growing plants which show symptoms, other than slight symptoms, of severe virus diseases ... (light mosaics causing discoloration and not leaf deformation are to be ignored); and
(g) the seed potatoes are ascertained not to be affected by any of the tolerances for diseases or pests, damage or defects specified in Part 4 of Schedule 3.

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Source: https://www.legislation.gov.uk/wsi/2016/106/schedule/5/paragraph/3 (the official version)
Page: https://openlegislation.uk/seed-potatoes-wales-regulations-2016/schedule-5/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.