Sixth Council Directive 77/388/EEC of 17 May 1977 on the harmonization of the laws of the Member States relating to turnover taxes - Common system of value added tax: uniform basis of assessment
Modified by
Council Directive 94/76/EC of 22 December 1994 amending Directive 77/388/EEC by the introduction of transitional measures applicable, in the context of the enlargement of the European Union on 1 January 1995, as regards value added tax