This part sets forth the policies, procedures and requirements governing the procurement of agricultural commodities by the Department of Agriculture for use:

(a) Under any domestic feeding and assistance program administered by the Food and Nutrition Service; and

(b) Under Title II of the Food for Peace Act (7 U.S.C. 1721 et seq.); the Food for Progress Act of 1985; the McGovern-Dole International Food for Education and Child Nutrition Program; and any other international food assistance program.