Understanding your CP51A notice

 

What this notice is about

We computed the tax on your Form 1040 or 1040-SR. You owe taxes.


What you need to do

  • Read your notice carefully. It explains how much you owe and how to pay it.
  • Pay the amount due by the date shown in the notice.
  • Make payment arrangements if you can't pay the full amount you owe.
  • Contact us if you disagree with the amount of tax we computed.

You may want to


Frequently asked questions

Call us at the toll-free number on your notice to discuss payment plans.

You can write or call us using our contact information found on the notice. If you write us, be sure to explain why you disagree and provide any information you have (such as cancelled checks, amended returns, etc.) or have the paperwork ready if you call.

You won’t be charged interest on the amount shown on the notice if you pay the amount owed in full on or before the "pay by" date.

Yes, you'll receive a late payment penalty. You can call us at the number on your notice if you can't pay the full amount because of financial problems. Contact us by your payment's due date. Based on your situation, we may be able to remove the penalty.


Helpful information


Tips for next time you file

Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions that you may qualify for. In many cases you can file for free

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