Changes made by 90/150/EEC: Council Decision of 22 March 1990 amending Decision 85/338/EEC on the adoption of the Commission work programme concerning an experimental project for gathering, co-ordinating and ensuring the consistency of information on the state of the environment and natural resources in the Community
EU Decision 1990/150
Made to 85/338/EEC: Council Decision of 27 June 1985 on the adoption of the Commission work programme concerning an experimental project for gathering, coordinating and ensuring the consistency of information on the state of the environment and natural resources in the Community
From legislation.gov.uk's record of changes, the official one: see it there.