Directive 2004/18/EC of the European Parliament and of the Council of 31 March 2004 on the coordination of procedures for the award of public works contracts, public supply contracts and public service contracts (OJ L 134, 30.4.2004, p. 114).
Rialachán (EC) Uimh. 1082/2006 ó Pharlaimint na hEorpa agus ón gComhairle an 5 Iúil 2006 maidir le grúpáil Eorpach um chomhar críochach (IO L 210, 31.7.2006, lch. 19).