Sales Tax Data and Sales Tax Deduction Calculator

The U.S. Department of the Treasury, through the Taxpayer Focused Support office, is seeking information on potential sources for the development of a Sales Tax Data and Sales Tax Deduction Calculator. This solicitation, identified by number 5000225038, is classified as a sources-sought notice under NAICS code 513120, targeting software and data solutions that can accurately calculate sales tax deductions. The project aims to support taxpayer services by providing a reliable digital tool to assist with tax compliance and reporting, with the primary point of contact being Karla Wheelan at karla.g.wheelan@irs.gov. The solicitation was posted on July 17, 2026, and responses are due by 5:00 p.m. ET on July 22, 2026. The performance location for the work is in Washington, District of Columbia, and the office is based at the Treasury’s headquarters with a zip code of 20224. There is no set-aside designation specified for this opportunity, meaning it is open to all eligible businesses regardless of size or category. Interested parties can access additional details through the official SAM.gov workspace link provided. This request seeks industry input on capabilities, technologies, and approaches that could fulfill the functional needs of the calculator, potentially leading to future procurement actions.