VALID › Notice Library › CP209 Notice

In the IRS’s own words · not reviewed by VALID

CP209 notice explained, in the IRS’s own words

CP 209 generates when two employer identification numbers (EINs) are consolidated in our records.

Read the full CP209 page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp209-notice, read October 15, 2026 · fingerprint 4f8a5b6216e3 · 1 line left out here (see irs.gov)

What this notice is about

CP 209 generates when two employer identification numbers (EINs) are consolidated in our records.

What you need 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.

You may want to

  • Ensure the valid EIN is entered correctly on all filings with the IRS
  • See additional information on Employer ID Numbers.

Have the payments I made and returns I filed under the incorrect EIN been moved to the valid EIN?

Yes, your valid EIN contains the history of the erroneously assigned EIN.

Tips for next year

  • Ensure your EIN is entered correctly on all filings with the IRS.

Reference tools

  • Publication 1, Your Rights as a Taxpayer
  • Publication 17, Your Federal Income Tax
  • Full list of tax forms and instructions

Need help?

  • You can authorize someone to contact the IRS on your behalf.
  • If you can’t find what you need online, call the IRS number on your notice or letter. If you didn’t receive a letter or notice, use telephone assistance.
  • If you can't resolve the penalty on your own, contact Taxpayer Advocate Service, an independent organization within IRS.

What to do next

  • Write down the date on the letter today.
  • Look the number up on irs.gov yourself. Don’t trust a link or phone number from anyone else.
  • If it says you owe money or proposes changes to your return, take it to a licensed CPA, EA or tax attorney before that date.

Not advice. Not a filing. Verify with a licensed professional. Rules change by year and facts.

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