VALID › Notice Library › CP51A notice
In the IRS’s own words · not reviewed by VALID
CP51A notice explained, in the IRS’s own words
We computed the tax on your Form 1040 or 1040-SR. You owe taxes.
Read the full CP51A page on irs.gov ↗
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
- Use the Tax Withholding Estimator to check that you have enough money withheld from your paychecks to pay your taxes.
- Learn about your payment options.
- Learn about payment plans and installment agreements.
- Learn how to submit an offer in compromise.
What if I can't pay what I owe?
You can request a payment plan.
How can I make a payment plan?
Call us at the toll-free number on your notice to discuss payment plans.
What should I do if I disagree with the notice?
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.
Am I charged interest on the money I owe?
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.
Will I receive a penalty if I can't pay the full amount?
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.
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.
What to do next
- Write down the date on the letter today.
- Look the number up on irs.gov yourself. Don’t trust a link or phone number from anyone else.
- If it says you owe money or proposes changes to your return, take it to a licensed CPA, EA or tax attorney before that date.
Not advice. Not a filing. Verify with a licensed professional. Rules change by year and facts.