IRS NOTICE REFERENCE
Understanding your CP132 notice
We made changes to your tax return because we believe there's a miscalculation on your return. As a result of these changes, you owe an additional amount.
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP132
- Category
- Balance due and collection
- Severity tier
- Tier 2 — Action or response expected. The IRS has taken or proposed an action and expects a response or payment.
- Governing law
- §6303; §6321 (Internal Revenue Code sections)
- Source
- IRS.gov — Understanding Your IRS Notice
What this notice is
We made changes to your tax return because we believe there's a miscalculation on your return. As a result of these changes, you owe an additional amount.
Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.
What the IRS says to do
Read the notice carefully. It will explain the changes we made. Compare the figures on the notice to the information on your tax return. Pay the amount you owe by the due 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 agree with the changes we made, correct the copy of your tax return that you kept for your records. If you don’t agree with the changes, contact us within 10 days from the date of your notice by calling the toll-free number listed on your notice or by mailing the completed contact stub with any correspondence or documentation.
This is the IRS’s own guidance reproduced from the IRS notice page. It describes the IRS’s process — it is not legal or tax advice from TaxRiskOS.
Governing IRS procedure (Internal Revenue Manual)
The IRS’s own internal procedures for handling this notice type are documented in the Internal Revenue Manual:
- IRM 5.19.1 — 5.19.1 Balance Due
- IRM 5.19.4 — 5.19.4 Enforcement Action
- IRM 5.1.1 — 5.1.1 Miscellaneous Collection Procedures
Reference to published IRS procedure. General information — not legal or tax advice.
Official IRS reference
Read the official notice page on IRS.gov: https://www.irs.gov/individuals/understanding-your-cp132-notice
Related tools
TaxRiskOS is workflow software for practitioners — it captures the notice, computes the deadline, surfaces the escalation tier, and builds a document checklist. It documents process; it does not give advice or draft responses.
Check this notice’s deadline (free tool)