The series consists of correspondence files containing communications between the DGO and representatives of the Organization for Economic Cooperation and Development (OECD). The correspondence relates to aid evaluation and the promotion of evaluation functions in client countries. This exchange culminated on December 1, 1980, in DGO Mervyn Weiner's nomination of Shiv Kapur, OEDDR, as the Bank's correspondent for DAC's work in aid effectiveness. Following Kapur's selection as DGO, Yukinori Watanabe, OEDDR,was nominated on October 15, 1984, as the Bank's representative to DAC's Expert Group on Evaluation.

Correspondence and other documents for the period 1981 - 1995 relate to the establishment of DAC's Expert Group on Aid Coordination (later Evaluation) which held its first meeting in Paris on March 8 and 9, 1983, and include meeting schedules and agenda, meeting summaries, reports, seminar papers and other correspondence of the Directors-General who served as the Bank's representatives at high level meetings of the DAC Expert Group on Aid Evaluation during this period. Topics include: primary health care; technical cooperation; non-governmental organizations (NGOs); the economic environment; gender issues; public support for aid; and aid effectiveness. Correspondence regarding DGO Robert Picciotto's participation in the Third Annual Conference on Environmentally Sustainable Development held in October 1995 is also included.

Subject files covering the period 1984 - 1989 consist primarily of issue papers and proposals prepared for discussions at DAC meetings and seminars as well as correspondence dealing with issues of coordination, evaluation and the environment. Subjects covered in the records relate to institution building, health, the environmental impact of development projects and the Economic Development Institute (EDI) evaluation function. Documents prepared for a November 1988 meeting with NGOs are also in the files.