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

CP560B notice explained, in the IRS’s own words

We have important information about your child's adoption taxpayer identification number (ATIN). We approved your request for a one-year extension.

Read the full CP560B page on irs.gov ↗

Quoted from www.irs.gov/individuals/understanding-your-cp560b-notice, read October 15, 2026 · fingerprint 94b27351748c · 1 line left out here (see irs.gov)

What this notice is about

We have important information about your child's adoption taxpayer identification number (ATIN). We approved your request for a one-year extension.

What you need to do

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  • You can send us your information using the Document Upload Tool. To use the tool, visit IRS.gov/dutreply, or:
  • If you prefer, you can fax it to the fax number in the notice using either a fax machine or an online fax service. Protect yourself when sending digital data by understanding the fax service’s privacy and security policies.

You may want to

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Call us at the number listed in your notice.

  • See additional information on Adoption taxpayer identification number.

How long is an ATIN extension valid?

An ATIN extension is valid for 2 years. If you don't have an SSN for your child, you can request a 1-year extension. For more information, see instructions for completing a Form W-7 A, Application for Taxpayer Identification Number for Pending U.S. Adoptions.

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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