Changes made by Commission Decision of 19 December 1990 relating to a proceeding under Article 86 of the EEC Treaty (IV/33.133-D: Soda-ash - ICI) (Only the English text is authentic)
EU Decision 1991/300
No changes made by Commission Decision of 19 December 1990 relating to a proceeding under Article 86 of the EEC Treaty (IV/33.133-D: Soda-ash - ICI) (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.