The Treasury Department has given Elon Musk and representatives of his Department of Government Efficiency (DOGE) team access to the vast federal payment system responsible for handling trillions of dollars in government expenditures,

The Treasury Department’s payment system has been likened to the government’s checkbook and makes $6 trillion in disbursements a year.

The Treasury Department was accused of breaking federal law by giving Elon Musk’s team of government efficiency enforcers access to a trove of personal and financial information — setting up a legal showdown over the Trump administration’s signature effort to shrink the government.