number to call for irs offset
If your refund is different than what you claimed. If the refund amount shown on the Notice of Offset is different from the amount claimed on your joint tax return, contact the IRS to find out why. There should be a phone number on the notice. If not, call 1-800-829-1040.
Complete IRS Form 8379, which you can obtain by calling the IRS toll-free at (800) 829-3676 or by downloading the form from the IRS website at http://www.irs.gov/pub/irs-pdf/f8379.pdf. For assistance with completing the form, call your local IRS office or the IRS toll-free number (800) 829-1040.