The government clarified that authorized distributor letters are required only for respondents proposing physical hardware, IT equipment, or commercial software licenses; services-only, customized, or non-hardware/software approaches do not need them and will not be penalized. This is not a solicitation, but a Sources Sought for market research to determine if responsible sources exist and whether MABSM sustainment/implementation can be competitive and/or a total Small Business Set-Aside. MABSM is a highly customized, mission-critical COTS ERP/MRO system with over 242,000 custom code changes, interfaces with 17 legacy DoD systems, and operates within the Department of the Air Force’s Cloud 1 IL4/IL5 environment. The system requires >95% uptime and 100% real-time NWRM accountability, and any authorized distributor letters should cover Hill AFB, Utah. Interested parties should provide company/CAGE/contact details, NAICS size status under 541513 or 541519, SAM.gov/WAWF registration, and capability documentation, limited to 10 pages.