Understanding Your CP230 Notice


What this notice is about

The amounts shown on your information returns differed from the amounts shown on your employment tax returns. As a result of this discrepancy, you owe an additional amount.

What you need to do

  • Read your notice carefully. It will explain why you owe money on your taxes.
  • Pay the amount you owe by the date on the notice’s payment coupon.
  • If you can’t pay the full amount, call the number listed on the notice to make a payment arrangement.
  • If you disagree with the changes we made, contact us within 30 days from the date of your notice.

Frequently asked questions

Call the number listed in your notice or write to the address listed in the notice for specific information about your tax return.

Call us at the number listed in the notice or write to us at the address listed in the notice. Be prepared to provide supporting correspondence or documents to show why you disagree.

You can arrange a payment plan with us if you can’t pay the full amount.

Yes, we will charge you a late payment penalty. Your notice explains how we calculate that penalty.

Helpful information

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