The U.S. government is not happy with Aaron Carter.
The former Dancing with the Stars
a whopping $1,010,635.08 in back taxes going back to 2003, L.A. County records show.
"We have made a demand for payment of this liability, but it remains unpaid," the papers state.
A rep for Carter, 21, wasn't immediately available for comment.
first reported the news of Carter's back taxes.