Notice of Proposed Adjustment
60 days from the notice date to respond. If you do not respond, the IRS will assess the additional tax they proposed and you will owe it automatically.
The IRS received income information from employers, banks, or other payers that does not match what you reported on your tax return. They are proposing to increase your tax bill to account for the discrepancy. This is not a bill — it is a proposal. You have the right to agree, disagree, or provide additional information.
The IRS will assess the additional tax as proposed, send you a bill, and the full collection process begins from there.
Compare the income items the IRS listed against your actual records — they are sometimes wrong
If you agree with the proposed change, sign and return the response form with payment or a payment plan
If you disagree, write a response explaining why and include supporting documentation such as W-2s, 1099s, and bank statements
If the discrepancy is due to unreported income you forgot, responding proactively often reduces penalties significantly
If additional tax is assessed and you cannot pay, an installment agreement prevents further enforcement
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