CP523

Critical

Intent to Terminate Installment Agreement - Default

Your installment agreement is in default and will be terminated unless you act immediately.

Response Deadline

30 days from notice date

Respond before this deadline to avoid additional penalties and enforcement action.

What This Notice Means

CP523 indicates your installment agreement has defaulted and the IRS intends to terminate it. You have 30 days to bring payments current or 76 days to appeal. If terminated, the full balance becomes due and levy action may begin. According to IRS data, over 59% of installment agreements default within 3 years.

Why You May Have Received This

  • 1Multiple missed payments
  • 2Failed to file current year return
  • 3Did not provide requested financial information
  • 4New tax liability incurred

Required Actions

1

Make up missed payments within 30 days

2

Call IRS to discuss reinstatement

3

Request appeals if you believe default is in error

Your Options

Use these calculators to understand your situation and explore resolution options.

Consequences If Ignored

  • Agreement terminates 46 days after notice if no action
  • Full balance becomes immediately due
  • Federal Tax Lien may be filed
  • Levy action may proceed

Tips & Best Practices

  • 30-day deadline to cure default, 76 days to appeal
  • Reinstatement fee applies ($89 or $130)
  • Ensure all tax returns are filed - a common default reason
  • Collection Appeals Program (CAP) may be available

Related Resources

Legal References

IRC § 6159IRM 5.19.1

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