Changes made by 1999/6/EC: Commission Decision of 14 December 1998 relating to a proceeding under Article 85 of the EC Treaty (IV/35.280 - Sicasov) (notified under document number C(1998) 3452) (Only the French text is authentic)
EU Decision 1999/6
No changes made by 1999/6/EC: Commission Decision of 14 December 1998 relating to a proceeding under Article 85 of the EC Treaty (IV/35.280 - Sicasov) (notified under document number C(1998) 3452) (Only the French text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.