Changes made by Regulation (EEC) No 1523/71 of the Commission of 16 July 1971 on communications between Member States and the…
EU Regulation No 1523/1971
No changes made by Regulation (EEC) No 1523/71 of the Commission of 16 July 1971 on communications between Member States and the… are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.