In February 2025, the Department of Homeland Security (DHS) asked the Internal Revenue Service (IRS) to share the personal data—names, addresses, and phone numbers—of 700,000 residents who filed their taxes with Individual Taxpayer Identification Numbers (ITINs) that DHS intends to use for immigration enforcement purposes*. Federal law prohibits the IRS from sharing taxpayer information with the public or with other federal agencies. At the time, the IRS rightfully refused and said it would not share that information.

According to press reports, in April 2025, after leadership changes, the IRS changed course by signing a data-sharing agreement with DHS, which will allow the tax agency to share sensitive taxpayer data, including personally identifiable information, with federal immigration agents. This is the sensitive data of our small business owners, neighbors, friends, and family.

This data-sharing agreement is illegal and harmful to taxpayers and sets a dangerous precedent for what personal information the IRS could share with other federal agencies. At the end of the day, this impacts ALL taxpayers. All our sensitive taxpayer data may be at risk of being shared.

Take action today to tell your representative(s) in Congress to protect Americans’ sensitive taxpayer data.