 The Development Co-operation Directorate (DCD) is the Secretariat of the DAC and is the OECD Directorate within which the DAC operates.There are 30 members of DAC, including the European Union which acts as a full member of the committee.OECD countries which are not yet formal members of the DAC -- Chile, Estonia, Israel, Latvia, Lithuania, Mexico, and Turkey -- participate fully in DAC meetings.