This is a Request for Information (RFI) from the IRS for a secure, IRS-compatible software solution for modeling and analyzing complex international tax provisions. The solution should support the Tax Cuts Jobs Act of 2017, the One Big Beautiful Bill Act of 2025, and prior law. It needs to enable IRS personnel to evaluate tax impacts and taxpayer planning strategies, support integration of tax return data (e. g. , XML ingestion), and include associated services like training, ongoing maintenance, and operational integration, while ensuring taxpayer confidentiality. Responses are due by July 17th, 2026, 12:00 PM EST. The RFI is not a solicitation for proposals, bids, or quotations. No proprietary, classified, confidential, or sensitive information should be included in responses. The government reserves the right to use any nonproprietary technical information received in any resultant solicitations. Firms must submit responses using the provided vendor response template and include a capabilities statement and software specification brochure.
The response date for this RFI is July 17th, 2026, 12:00 PM EST.
The IRS seeks company profile information including company name, address, UEI, size, classification, technical POC information, recommended NAICS and PSC codes, relevant contract vehicles, number of employees, and subcontracting/partnering options. Additionally, firms must describe their expertise in international tax provisions, software development for modeling international tax, flexibility of their solution, service delivery locations, estimated development timeline, required resources, update process for tax law changes, concurrent user support, processing capacity, data storage and retrieval architectures, FedRAMP authorization status, options for ongoing vendor support, capability to ingest XML data, setup/configuration/customization/deployment process, and recommend pricing and contract structure.
The notice states that no proprietary, classified, confidential, or sensitive information should be included in responses, unless otherwise appropriately marked by the respondent. The government reserves the right to use any nonproprietary technical information received in response to this notice in any resultant solicitations.