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 95/7/EC of 10 April 1995 amending Directive 77/388/EEC and introducing new simplification measures with regard to value added tax - scope of certain exemptions and practical arrangements for implementing them