Changes to Council Directive 64/54/EEC of 5 November 1963 on the approximation of the laws of the Member States concerning the preservatives authorized for use in foodstuffs intended for human consumption
EU Directive 1964/54
Made by Council Directive 85/585/EEC of 20 December 1985 amending Directive 64/54/EEC on the approximation of the laws of the Member States concerning the preservatives authorized for use in foodstuffs intended for human consumption
From legislation.gov.uk's record of changes, the official one: see it there.