# The Seed Marketing Regulations 2011, Regulation 5: Categories of seed

Extent: E+W+S+NI

Seed is divided into the following categories, commonly known by the abbreviations given—
(a) breeder’s seed (“BR”);
(b) pre-basic seed (“PB”);
(c) basic seed (“BS”);
(d) certified seed (“CS”);
(e) certified seed, first generation (“C1”);
(f) certified seed, second generation (“C2”);
(g) certified seed, third generation (“C3”);
(h) commercial seed (“CM”);
(i) standard seed (vegetables only) (“ST”);
(j) seed of a higher voluntary standard (“HVS”).

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Source: https://www.legislation.gov.uk/uksi/2011/463/regulation/5 (the official version)
Page: https://openlegislation.uk/seed-marketing-regulations-2011/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.