The IRS said it expects to get hundreds of millions of dollars from high-income people who haven’t filed federal income tax returns under a new initiative in the agency’s fight to get the money it’s ...

The Internal Revenue Service has been conducting "sweeps" in recent years to uncover cases where high-income people have not been filing taxes, but the tracking data and training need to be improved, ...

WASHINGTON — Tens of thousands of wealthy Americans are not complying with recently revamped Internal Revenue Service efforts to get them to file tax returns, according to data obtained exclusively by ...