Changes made by Regulation (EEC, Euratom) No 1182/71 of the Council of 3 June 1971 determining the rules applicable to periods, dates and time limits
EU Regulation No 1182/1971
No changes made by Regulation (EEC, Euratom) No 1182/71 of the Council of 3 June 1971 determining the rules applicable to periods, dates and time limits are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.