If you notice a mistake on your return, or in your records, then you don't have to do anything.
The IRS will make the change and send you the corrected refund. If you disagree with the IRS notice, call the IRS right away at 800-829-1040.
Follow this link if you do get a notice or letter from the IRS-
What to Do if You Get an IRS Notice - TurboTax Tax Tips ...
