WASHINGTON (AP) — A new Treasury inspector general report raises concerns about Immigration and Customs Enforcement’s ability to safeguard taxpayer information, after ICE and the IRS agreed in 2025 to share taxpayer data for the purpose of immigration investigations.The recently released report provides the first official accounting of the scale of the IRS-ICE information transfer and documents security concerns surrounding an arrangement that has been the subject of multiple lawsuits and significant controversy inside both agencies. Also known as TIGTA, Treasury’s inspector general found that the controversial 2025 data-sharing agreement crafted between ICE and the Treasury, which allowed ICE to submit names and addresses of immigrants inside the U.S. illegally to the IRS for cross-verification against tax records, resulted in inconsistent formatting in ICE’s data and the IRS’ matching criteria which led to errors.
The deal led the then-acting commissioner of the IRS to resign.The report states that after the agreement was signed, ICE requested address information on more than 1.2 million people, and the IRS ultimately provided last-known addresses for about 47,000 people.
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