Changes made by 83/311/EEC: Decision No 120 of 7 July 1982 on the model forms necessary for the application of Council Regulations (EEC) No 1408/71 and (EEC) No 574/72 (E 001; E 101-127; E 201-215; E 301-303; E 401-411)
EU Decision 1983/311
The legislation 83/311/EEC: Decision No 120 of 7 July 1982 on the model forms necessary for the application of Council Regulations (EEC) No 1408/71 and (EEC) No 574/72 (E 001; E 101-127; E 201-215; E 301-303; E 401-411) changes, newest first. Choose one to see each change.
From legislation.gov.uk's record of changes, the official one: see it there.