Changes made by 81/478/Euratom, ECSC, EEC: Commission Decision of 9 June 1981 concerning requests for authorization submitted by the Federal Republic of Germany pursuant to Article 13 (2) of Regulation (EEC, Euratom, ECSC) No 2892/77 concerning own resources accruing from value added tax (Only the German text is authentic)
EU Decision 1981/478
No changes made by 81/478/Euratom, ECSC, EEC: Commission Decision of 9 June 1981 concerning requests for authorization submitted by the Federal Republic of Germany pursuant to Article 13 (2) of Regulation (EEC, Euratom, ECSC) No 2892/77 concerning own resources accruing from value added tax (Only the German text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.