This purchase order was awarded on a sole-source basis to Mitsubishi Electric Iconics Digital Solutions (MEIDS) using Simplified Procedures for Certain Commercial Products and Commercial Services authorized under 41 U.S.C. § 1901 and implemented via RFO 12.102(b). The Genesis 64 software and its associated "SupportWorX" plan are proprietary products of MEIDS and there are no authorized resellers. MEIDS is the only source that can provide the required proprietary software licenses to prevent a critical service interruption, protect the Government's substantial past investment, and avoid the prohibitive costs and schedule delays of switching to an alternative solution. The approved justification was included with the combined synopsis/solicitation.