# The Seed Potatoes (Scotland) Regulations 2015, Paragraph 12


An authorised officer may not determine the seed potatoes as meeting the requirements of GB grade S, SE or, as the case may be, E if, in relation to the immediately succeeding crop produced from those potatoes, the number of growing plants which—
(a) deviate from variety, is likely to exceed 0.1% of the total number of plants in that crop;
(b) deviate from variety and type, is likely to exceed 0.25% of that total number; or
(c) show symptoms of any virus attributable to infection in the mother crop, is likely to exceed 4% of that total number.

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Source: https://www.legislation.gov.uk/ssi/2015/395/schedule/1/paragraph/12 (the official version)
Page: https://openlegislation.uk/seed-potatoes-scotland-regulations-2015/schedule-1/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.