# The Seed Marketing Regulations 2011, Paragraph 33: Meaning of “pre-basic seed”

Extent: E+W+S+NI

(1) “Pre-basic seed” is seed of a generation prior to basic seed—
(a) that has been produced by or under the responsibility of the breeder according to well-defined practices for the maintenance of the variety, and
(b) intended to be used for the production of more pre-basic seed, basic seed, or with the breeder’s written authority—
(i) in the case of black mustard, brown mustard, dioecious hemp, sunflower, swede rape, turnip rape or white mustard, CS seed;
(ii) in the case of monoecious hemp or soya bean, C1 or C2 seed;
(iii) in the case of flax or linseed, C1, C2 or C3 seed.
(2) But in relation to a component of a hybrid variety, “pre-basic seed” means seed of a generation prior to basic seed that is intended to be used for the production of—
(a) more pre-basic seed;
(b) basic seed; or
(c) with the breeder’s written authority, CS seed.

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Source: https://www.legislation.gov.uk/uksi/2011/463/schedule/2/paragraph/33 (the official version)
Page: https://openlegislation.uk/seed-marketing-regulations-2011/schedule-2/paragraph-33
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.