Changes made by Council Directive 81/464/EEC of 24 June 1981 amending Council Directive 78/25/EEC on the approximation of the rules of the Member States relating to the colouring matters which may be added to medicinal products
EU Directive 1981/464
No changes made by Council Directive 81/464/EEC of 24 June 1981 amending Council Directive 78/25/EEC on the approximation of the rules of the Member States relating to the colouring matters which may be added to medicinal products are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.