Report drawn up on behalf of the Committee on the Environment, Public Health and Consumer Protection on the proposal from the Commission of the European Communities to the Council (Doc. 479/75) for a Directive amending for the seventh time the Council Directive of 23 October 1962 on the approximation of the rules of the Member States concerning the colouring matters authorized for use in foodstuffs intended for human consumption. Working Documents 1979-1980, Document I-834/79, 8 March 1980