Changes made by Regulation (EEC) No 543/69 of the Council of 25 March 1969 on the harmonisation of certain social legislation…
EU Regulation No 543/1969
No changes made by Regulation (EEC) No 543/69 of the Council of 25 March 1969 on the harmonisation of certain social legislation… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.