WASHINGTON—President Trump is replacing the acting IRS commissioner that he appointed just three days earlier, according to people familiar with the matter, making a sudden shift that continues ...

President Donald Trump’s administration again is replacing the acting IRS commissioner as turmoil at the agency continues. Deputy Treasury Secretary Michael Faulkender is taking over as acting ...

The tax agency’s next leader is the fifth so far this year.

Gary Shapley, the acting commissioner ... Trump’s approval to roll back the decision, the source said, and Deputy Treasury Secretary Michael Faulkender is expected to become the next acting IRS ...