IRS NOTICE REFERENCE
Understanding Your CP209 Notice
CP 209 generates when two employer identification numbers (EINs) are consolidated in our records.
General information only. Not legal or tax advice.
Notice details
- Notice code
- CP209
- Category
- Identity verification
- Severity tier
- Tier 1 — Routine. Informational or administrative notice; no response typically required.
- Governing law
- §6109; §7701(a)(16) (Internal Revenue Code sections)
- Source
- IRS.gov — Understanding Your IRS Notice
What this notice is
CP 209 generates when two employer identification numbers (EINs) are consolidated in our records.
Source: IRS.gov. Reproduced for reference. General information — not legal or tax advice.
What the IRS says to do
Continue using the EIN designated as your valid EIN. Include a copy of your CP209 when you respond to any IRS notices/letters. Enter your name exactly as shown above on all filings.
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.
Official IRS reference
Read the official notice page on IRS.gov: https://www.irs.gov/individuals/understanding-your-cp209-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.
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