Changes to Regulation (EEC) No 802/68 of the Council of 27 June 1968 on the common definition of the concept of the…
EU Regulation No 802/1968
Made by Regulation (EEC) No 456/91 amending Regulation (EEC) No 802/68 on the common definition of the concept of the…
From legislation.gov.uk's record of changes, the official one: see it there.