On the paper
Compare the payments listed on the notice with your records, including any payment applied from the prior year.
Find the date printed on your notice or letter. The paper notice and the current official IRS instructions control, even where this page differs.
General next steps
- Verify the notice lists all estimated tax payments you actually made.
- If you agree, pay by the date on the notice or review payment-plan options to limit added penalties and interest.
- If a payment is missing or misapplied, call the number on the notice with cancelled checks or other proof in hand.
Timing
The IRS says to pay by the date shown on the notice to avoid additional penalties and interest. Your paper controls the date.
What this page cannot tell you
This page cannot verify what the IRS posted to your account or which payments were credited.
Official sources
If anything on this page differs from your notice or from current IRS instructions, follow the notice and the IRS.