The purpose of this requirement is to provide continuation of Maintenance Business System Modernization (MABSM) implementation and sustainment services against GSA MAS 47QTCA22D004W held by Systems Implementers (SI). These four (4) task orders, plus special projects, will serve as a bridge action to the current MABSM indefinite-delivery/indefinite-quantity (IDIQ) contract, FA8224-19-D-A003, to a future competitive effort. These task orders are single award, Firm-Fixed-Price (FFP) service contracts with one (1) base year, one (1) option year, and a six (6) - month option periods. Please see attachment for further details.