Changes made by Council Regulation (EEC, Euratom, ECSC) No 3647/83 of 19 December 1983 adjusting the remuneration and pensions of officials and other servants of the European Communities and the weightings applied thereto
EU Regulation No 3647/1983
No changes made by Council Regulation (EEC, Euratom, ECSC) No 3647/83 of 19 December 1983 adjusting the remuneration and pensions of officials and other servants of the European Communities and the weightings applied thereto are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.