Changes to 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
EU Directive 2004/18
Made by Commission Decision of 9 December 2008 amending the Annexes to Directives 2004/17/EC and 2004/18/EC of the European Parliament and of the Council on public procurement procedures, as regards their lists of contracting entities and contracting authorities (notified under document number C(2008) 7871) (2008/963/EC)
From legislation.gov.uk's record of changes, the official one: see it there.