Report of TAC 39 held at FAO in Rome, March 17-25 1986, Chairman Guy Camus presiding. TAC discussed the external program and management reviews of ILRAD, concluding that the center should maintain a sharp focus on theileriosis and trypanosomiasis. TAC approved revised terms of reference for the midterm review of WARDA (Annex IV). Proposed procedures for TAC's five yearly reviews of centers' programs and budgets were considered prior to TAC discussion of them with the centers at TAC 40. TAC discussed with Vernon Ruttan the progress of his study of the CGIAR external review process.TAC found itself more concerned than the impact study with the implications of formal overlaps between center mandates, and opposed to centralization of research s...