# The Seed Potatoes Regulations (Northern Ireland) 2016, Paragraph 7


A growing crop report stating that the seed potatoes are capable of being marketed as basic seed potatoes shall not be issued unless the authorised officer is satisfied that the immediately succeeding crop produced from the seed potatoes is not likely to contain more than 4% by number of growing plants which show symptoms of virus diseases ..., where those symptoms are attributable to infection in the mother crop.

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Source: https://www.legislation.gov.uk/nisr/2016/190/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/seed-potatoes-regulations-northern-ireland-2016/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.