Changes made by 89/374/EEC: Commission Decision of 2 June 1989 on the organization of a temporary experiment under Council Directive 66/402/EEC on the marketing of cereal seed, in order to establish the conditions to be satisfied by the crop and the seed of hybrids of rye
EU Decision 1989/374
No changes made by 89/374/EEC: Commission Decision of 2 June 1989 on the organization of a temporary experiment under Council Directive 66/402/EEC on the marketing of cereal seed, in order to establish the conditions to be satisfied by the crop and the seed of hybrids of rye are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.