Enclosure 12: Defense Business Systems (DBS) • DBS – An information system (other than a NSS) operated by, for, or on behalf of the DoD. (Includes financial systems and management information systems) • DBS Management Committee (DBSMC) • Chaired by DEPSECDEF. Recommends policy and procedures to improve acquisition of DBS. Includes the MDA. • Approval authority for statutorily required DBS • Certification required prior to any obligation of funds for acquisition. Programs re-certified annually • Investment Review Board (IRB) • Chaired as directed by the DEPSECDEF • Assists the Chair in: • Prioritizing requirements • Reviewing problem statements and investment certification requests 53