 A revised public procurement policy for Northern Ireland departments, agencies, non-departmental public bodies and public corporations was adopted on 16 May 2002; the latest version (version 11) was issued in August 2014.A Concordat on Public Procurement was agreed on 1 June 2001 by the UK Government and the Northern Ireland Executive for the handling of EU, international and policy issues on public procurement.The Crown Commercial Service (CCS) publishes Procurement Policy Notes from time to time, which advise procurement staff in the public sector of government policy developments and best practice in relation to procurement.