Council Directive 71/305/EEC of 26 July 1971 concerning the co-ordination of procedures for the award of public works contracts
Modified by
Council Directive 90/531/EEC of 17 September 1990 on the procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
September 25, 1990 article 3.5 Replacement
September 25, 1990 article 3.4 Replacement