The Department of the Treasury, specifically the Internal Revenue Service (IRS), intends to negotiate a sole source contract for the annual maintenance of the Resource Scheduler Software with FM Group LLC. This procurement, classified under NAICS code 541511 for Custom Computer Programming Services, is necessary to ensure the continued functionality of proprietary software, as FM is the only entity capable of performing the required maintenance and troubleshooting. Interested parties who believe they can meet the requirements are invited to submit their capabilities in writing to the primary contact, Michael Kreacic, at Michael.D.Kreacic@irs.gov, by April 1, 2025, at 12:00 PM ET, although this notice does not constitute a request for competitive proposals. The contract will include a twelve-month base period and three twelve-month option periods, with a determination on future competitive procurement based solely on the responses received.