Changes to 89/540/EEC: Commission Decision of 22 September 1989 on the organization of a temporary experiment on the marketing of seeds and propagating material
EU Decision 1989/540
Made by 95/431/EC: Commission Decision of 16 October 1995 amending Commission Decision 89/540/EEC on the organization of a temporary experiment on the marketing of seeds and propagating material
From legislation.gov.uk's record of changes, the official one: see it there.