Changes made by 93/403/EEC: Commission Decision of 11 June 1993 relating a proceeding pursuant to Article 85 of the EEC Treaty (IV/32.150 - EBU/Eurovision System) (Only the English and French texts are authentic)
EU Decision 1993/403
No changes made by 93/403/EEC: Commission Decision of 11 June 1993 relating a proceeding pursuant to Article 85 of the EEC Treaty (IV/32.150 - EBU/Eurovision System) (Only the English and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.