Appeals Court Blocks Trump-Era Policy Allowing IRS to Share Taxpayer Addresses With ICE

A federal appeals court on Tuesday upheld an injunction prohibiting the Internal Revenue Service from sharing the confidential home addresses of tens of thousands of taxpayers with federal immigration authorities, ruling that the Trump administration’s data-sharing initiative operated in direct violation of federal statutory protections.

The decision, delivered by a three-judge panel of the U.S. Court of Appeals for the District of Columbia Circuit, affirms a previous lower-court ruling that halted the controversial data pipeline. The appellate judges determined that the tax agency had unlawfully transferred approximately 47,000 taxpayer addresses to U.S. Immigration and Customs Enforcement under internal procedures established to assist the administration’s broader immigration enforcement agenda.

The data-sharing arrangement originated from a formal agreement between the two federal entities, which took effect in July 2025. Under that inter-agency framework, the IRS began processing bulk requests submitted by ICE seeking the last known residential addresses of up to 1.28 million individuals suspected by the government of residing in the United States without lawful immigration documentation.

To carry out the large-scale data transfers, the IRS implemented a streamlined procedure that permitted immigration officials to obtain taxpayer location records merely by entering a five-digit or nine-digit number into an address field. The court observed that the automated system released sensitive taxpayer details even when the numerical strings submitted by ICE did not correspond to an actual, valid postal ZIP code.

Before a federal district court intervened to place a freeze on the practice, the IRS had already processed and disclosed a total of 47,289 confidential taxpayer records directly to immigration enforcement authorities, according to figures cited in the appellate panel’s written opinion.

The policy faced immediate pushback from privacy and public interest advocates. A coalition of organizations, including the Center for Taxpayer Rights and the Main Street Alliance, initiated a federal lawsuit against the government, arguing that the IRS’s automated sharing protocol subverted long-standing federal protections enacted to guarantee the confidentiality of private tax records.

After the lower-court judge sided with the plaintiffs and issued a preliminary injunction barring the IRS from fulfilling ICE’s address requests, the Trump administration appealed the ruling to the D.C. Circuit. Government attorneys contended that judicial interference hindered the operations of federal law enforcement agencies and placed burdensome obstacles in the way of federal immigration authorities carrying out their duties.

Writing the opinion on behalf of the appellate panel, U.S. Circuit Judge Cornelia Pillard firmly dismissed the administration's arguments, emphasizing that the executive branch must adhere to the boundaries set by the legislature regardless of its enforcement objectives.

"But that's a gripe with Congress, not the court," Pillard wrote in the ruling, underscoring that the executive branch cannot ask the judiciary to override statutory restrictions passed by federal lawmakers. All three judges on the appellate panel, including Pillard, were appointed to the federal bench by former Democratic President Barack Obama.

In examining the legal foundation of the dispute, the court highlighted the history of statutory protections governing taxpayer privacy, noting that Congress passed strict limits on the disclosure of tax data following the Watergate scandal during President Richard Nixon's administration.

Those post-Watergate statutory reforms were designed to address documented historical abuses involving the misuse of sensitive taxpayer records by executive officials. Under the governing law, the IRS is strictly prohibited from disseminating taxpayer information to other government agencies unless those requesting entities fulfill explicit, stringent statutory conditions.

Judge Pillard concluded that the procedures adopted by the IRS under the Trump administration failed to meet those legal standards in multiple ways. The judge identified the program's most egregious statutory defect as its failure to require ICE to supply an actual, verified address for a taxpayer before obtaining confidential records from the tax agency.

The appellate court also voiced sharp criticism of the automated nature of the program, with Pillard noting that the protocol automated the review of millions of records without conducting any individual case examinations or establishing mechanisms to confirm compliance with statutory prerequisites prior to releasing sensitive taxpayer information.

Skye Perryman, whose liberal legal organization Democracy Forward represented the plaintiffs throughout the litigation, celebrated the appellate ruling in a public statement, remarking that she was pleased the court acted to halt unlawful executive behavior and noting that post-Watergate privacy laws exist precisely to prevent such abuses of power. Neither the IRS nor the U.S. Department of Homeland Security, which oversees ICE, responded to requests for comment following the decision.