IRS CP503 Notice — Second Balance Due Notice

This is the IRS's second reminder — the next step is a levy warning.

A CP503 is the IRS's second notice that you have an unpaid tax balance. It follows a CP501 that went unanswered. The next notice in the sequence is the CP504 — the IRS's urgent levy warning. Act now to avoid having your wages, bank accounts, or state tax refunds levied.

What Should I Do Immediately?

1. Pay the full amount if possible — go to IRS Direct Pay at irs.gov
2. If you cannot pay in full, request an installment agreement using Form 9465
3. If you believe the amount is wrong, respond in writing with documentation
4. Consider calling the IRS to discuss your options before the next escalation

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