This Act may be cited as the AI Tax Integrity Act of 2026.

(a) In general The Secretary of the Treasury shall, not later than 180 days after the date of the enactment of this Act, establish a pilot program to use artificial intelligence to identify inaccurate returns of tax, including such returns which are inaccurate as a result of— (1) identity theft, (2) fraudulent claims for tax credits, deductions, or refunds by individual or business taxpayers, and (3) tax returns improperly prepared by a third party who is not properly identified on the return. (b) Duration The pilot program required under subsection (a) shall operate for a period of not less than 18 months and not more than 2 years. (c) Report Not later than 180 days after the termination of the pilot program required under subsection (a), the Comptroller General shall submit a report to the Committee on Ways and Means of the House of Representatives and to the Committee on Finance of the Senate describing— (1) the aggregate amount of improper refunds or reduced tax liability attributable to fraud detected as a result of the pilot program required by subsection (a), (2) the aggregate amount of any recovery made by the Government by reason of such pilot program, and (3) the accuracy of the artificial intelligence tools used under such pilot program in identifying fraudulent returns of tax.