President Donald Trump's sweeping new tariffs on dozens of countries took effect on Thursday, fulfilling a long-promised ...

The Internal Revenue Service and the White House squabbled over the use of tax data to find suspected undocumented immigrants ...

The Trump administration’s move to push out IRS Commissioner Billy Long came after the agency said it couldn’t release some ...

The IRS previously agreed to a data-sharing scheme with the Department of Homeland Security to use some sensitive information to identify illegal immigrants.