Melanie Krause has resigned amid growing controversy over a data-sharing agreement between the Internal Revenue Service and the Department of Homeland Security. The agreement reportedly allows immigration authorities broader access to taxpayer information, sparking concerns about privacy rights and constitutional protections.

Krause’s resignation follows earlier departures by former acting commissioner Doug O’Donnell and former commissioner Danny Werfel, highlighting ongoing tensions inside the agency. Critics argue the policy weakens long-standing taxpayer confidentiality rules and could discourage compliance with tax laws. Supporters, however, defend the arrangement as a tool for immigration enforcement and national security.

The controversy has intensified debate over government transparency, privacy protections, and the broader restructuring of federal agencies under President Donald Trump’s administration.