Changes made by Decision No 3/71/ECSC of the Commission of 22 December 1970 on Community rules for interventions by Member States for the benefit of the coal industry
EU Decision 1971/3
No changes made by Decision No 3/71/ECSC of the Commission of 22 December 1970 on Community rules for interventions by Member States for the benefit of the coal industry are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.