# Council Directive of 14 June 1966 on the marketing of cereal seed (66/402/EEC), Division (b): The crop shall have sufficient identity and purity as regards the characteristics of the components, including male sterility.

Extent: E+W+S+N.I.

In particular, the crop shall conform to the following other standards or conditions:
(i) the number of plants of the crop species, which are recognisable as obviously not being true to the component shall not exceed,
one per 30 m 2 for the production of basic seed,
one per 10 m 2 for the production of certified seed, this standard to apply in official field inspections to the female component only;
(ii) in the case of basic seed, where male sterility is used, the level of sterility of the male-sterile component shall be at least 98 %.

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Source: https://www.legislation.gov.uk/eudr/1966/402/annex/I/division/4/division/b (the official version)
Page: https://openlegislation.uk/eu-directive-1966-402/annex-I/division-4/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.