Changes to Regulation (Euratom) No 1371/72 of the Council of 27 June 1972 determining the rates and conditions of the…
EU Regulation No 1371/1972
Made by Council Regulation (ECSC, EEC, Euratom) No 300/76 of 9 February 1976 determining the categories of officials entitled to allowances for shiftwork, and the rates and conditions thereof
From legislation.gov.uk's record of changes, the official one: see it there.