Changes made by 93/50/EEC: Commission Decision of 23 December 1992 relating to a proceeding pursuant to Article 85 of the EEC Treaty (IV/32.745 - Astra) (Only the English and French texts are authentic)
EU Decision 1993/50
No changes made by 93/50/EEC: Commission Decision of 23 December 1992 relating to a proceeding pursuant to Article 85 of the EEC Treaty (IV/32.745 - Astra) (Only the English and French texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.