All agencies must have an accountable system for making postage payments; that is, a system that allocates postage expenses at the program level within the agency and makes program level managers accountable for obligating and tracking those expenses. The agency will have to determine the appropriate program level for this requirement because the level at which it is cost beneficial differs widely. The agency's finance systems should track all mail expenditures separately to the program level or below, and should-
41 C.F.R. § 102-192.65