Elon Musk’s so-called Department of Government Efficiency has moved quickly to set up shop in a critical Treasury Department office that handles the vast majority of payments made by the federal government,

In their Monday lawsuit in Washington, DC, federal court, the employee unions and retirees said Treasury had violated privacy laws by giving Musk and DOGE “full access” to government payment records documenting everything from income tax payments to social security benefits and federal employee salaries.