CP 161 Sample Contents
Our records show you owe «$ amount» on your return for the above tax period. «a sentence addressing assessed penalties may also print»
To avoid additional penalty and/or interest, please allow enough mailing time so that we receive your payment by « due date ». Make your check or money order payable to the United States Treasury. Write your Taxpayer Identification Number on your payment and mail it with the stub portion of this notice. If you are enrolled in the Electronic Federal Tax Payment System (EFTPS), you may use that method to make your payment.
If you think we made a mistake, please call us at the number listed above. When you call, please have your payment information and a copy of your tax return available. This information will help us find any payment you made that we haven't applied.
The following is a list of payments we have credited to your account for the above tax and tax period.