The U.S. Internal Revenue Service has blocked a key aide to tech billionaire Elon Musk from accessing individual taxpayer returns or other personal information as part of a deal signed between the tax-collecting agency and the Trump administration.

After one month in office, do you approve of the job President Trump is doing overall? Vote in the poll above or click here. A member of Elon Musk’s Department of Government Efficiency (DOGE) is poised to gain access to one of the Internal Revenue Service's most secure systems.

A tearful executive at the U.S. Internal Revenue Service told staffers on Thursday that about 6,000 employees would be fired.

An email sent to workers at the US Treasury Department’s Bureau of the Fiscal Service said DOGE’s Tom Krause is “currently” the CEO of the Cloud Software Group. Critics believe this could be a massive conflict of interest.

Elon Musk's Department of Government Efficiency has requested access to an Internal Revenue Service system that retains the personal tax information of millions of Americans.

Elon Musk's Department of Government Efficiency has requested access to an Internal Revenue Service system that retains the personal tax information of millions of Americans, two sources familiar with the matter told ABC News.

As millions of Americans dutifully file their returns, the Trump administration is calling for the abolition of the Internal Revenue Service and plans to fire as many as 7,000 workers — all while Elon Musk’s Department of Government Efficiency is seeking access to detailed taxpayer information.

Elon Musk’s U.S. DOGE Service is seeking access to a heavily guarded Internal Revenue Service system that includes detailed financial information about every taxpayer, business and nonprofit in the country,

As the Department of Government Efficiency sets its sights on accessing sensitive taxpayer data, a coalition of union groups and advocates is suing the federal government to block the Elon Musk associates from entering Internal Revenue Service systems.

Two Democratic senators are demanding the Internal Revenue Service answer questions on whether, and to what extent, billionaire Elon Musk’s personnel can access tax information, particularly during filing season.

Elon Musk’s Department of Government Efficiency is seeking access to the Internal Revenue Service’s highly sensitive taxpayer data system, a source familiar with the move tells CNN.