If you received a CP 21B notice titled, "We changed your account," it means that IRS changed some of the figures on your income tax return, resulting in a refund. We explain the reason for the changes in the first page of the notice. Please read that part carefully. This change could be the result of your correspondence.

The changes we made to your figures are outlined in the tax statement on the first page of the notice. You should look them over and compare it with your request or correspondence and with the copy of your tax return. And remember, the changes we made may have resulted a change to some other items on your return, so you may wish to review your whole return.

You may have already received this refund check. If not, please allow at least two weeks for it to be mailed to you, unless there are other matters which could postpone your refund.

If you agree with the refund amount and if you have received the refund check, there is no additional action necessary on your part. But if you believe, that we have made a mistake in our figures or that we have not considered all the information from your correspondence, please call us at the number listed on your notice. If possible, please have a copy of your tax return, copy of your correspondence and this notice when you call.

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