# Council Directive of 14 June 1966 on the marketing of cereal seed (66/402/EEC), Division (a): The crop shall conform to the following standards as regards distances from neighbouring sources of pollen which may result in undesirable foreign pollination.

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

Crop
Minimum distance
—
for the production of basic seed,
—
where male sterility is used,
1 000 m
—
where male sterility is not used,
600 m
—
for the production of certified seed,
500 m

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