This publication supersedes AIMD-98-21.2.9, Managerial Cost Accounting System Checklist: Systems Reviewed Under the Federal Financial Management Improvement Act of 1996 (Exposure Draft), July 1998. GAO published a guide to assist: (1) agencies in implementing and monitoring their managerial cost accounting systems; and (2) management and auditors in reviewing the systems to determine if they are in substantial compliance with the Federal Financial Management Improvement Act of 1996.