Changes made by 83/622/EEC: Commission Decision of 6 December 1983 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.099 - Schlegel/CPIO) (Only the French and English texts are authentic)
EU Decision 1983/622
No changes made by 83/622/EEC: Commission Decision of 6 December 1983 relating to a proceeding under Article 85 of the EEC Treaty (IV/30.099 - Schlegel/CPIO) (Only the French and English texts are authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.