Thos publication supersedes AIMD-21.2.8, Travel System Requirements: Checklist for Reviewing Systems Under the Federal Financial Management Improvement Act, May 2000. GAO published a guide reflecting the Joint Financial Management Improvement Program's revised Travel System Requirements to assist: (1) agencies in implementing and monitoring their travel systems; and (2) management and auditors in reviewing their travel systems to determine if they are in substantial compliance with the Federal Financial Management Improvement Act of 1996.