OPM told federal retirees who requested paper 1099-R forms that the remaining documents were being mailed this week, and should arrive within five days.

Now weeks behind schedule, some federal retirees are still waiting on key tax forms to arrive by mail. Others are struggling to contact OPM for assistance.

The IRS announced today that paper tax refund checks will be phased out starting this month for individual taxpayers.Related video above: Are you eligible for Trump's tax relief on tips, overtime and ...

Last April, the IRS launched its Zero Paper Initiative to speed up paper tax return processing. The project isn’t going well.