International Tax Modeling Tool

The Department of the Treasury’s Internal Revenue Service is seeking industry input on a software solution to model and analyze international tax provisions under the Tax Cuts & Jobs Act of 2017, the One Big Beautiful Bill Act of 2025, and existing tax law through a Request for Information (RFI) issued under solicitation number 26-22-APMO. The solution must enable IRS personnel to ingest and process “as-filed” XML tax returns, model diverse taxpayer profiles, support high-concurrency usage with large data volumes, and adapt dynamically to evolving tax regulations. The scope encompasses full lifecycle support including development, deployment, user training, ongoing maintenance, and eventual integration into IRS operations. Vendors are required to demonstrate FedRAMP authorization at an appropriate security level and provide details on deployment options—whether on-premises, within government-managed clouds, or vendor-hosted environments—with strict adherence to federal data handling and cybersecurity standards. Responses must be submitted via email by the July 17, 2026 deadline and include a completed Vendor Response Template along with a one-page company capabilities statement and a two-page software specification brochure, all in PDF format with a combined file size not exceeding 10 MB. Offerors must disclose their Unique Entity ID, classify their business size status as Small Business or Other than Small Business, and indicate any applicable socioeconomic designations such as HUBZone, WOSB, SDVOSB, or 8(a). They are also required to identify any existing GSA MAS, OASIS, or GWAC contracts and disclose subcontracting or teaming arrangements. Technical proposals must outline system scalability, update mechanisms for regulatory changes, and proposed service level agreements. Vendors must recommend a contract type—such as Firm-Fixed-Price, Labor-Hour, or Time-and-Materials—along with an estimated cost structure covering development and recurring operational expenses. While no formal evaluation factors, award criteria, or contract value have been specified, the IRS will use responses to inform future procurement decisions and may consider vendor qualifications, compliance readiness, and cost transparency in selecting a path forward. All correspondence must be directed to Ana Rollins and Iman Street at the IRS, with no online portal or physical submission accepted.