Understanding Your CP563G

 

What this notice is about

We denied your request for an adoption taxpayer identification number (ATIN).

What you need to know

You may want to

Call the IRS at 737-800-5511 or 267-941-1000 (for international calls) if you have additional questions.

Frequently asked questions

How long is an ATIN extension?

Extensions are valid for one additional year and may be requested before your assigned ATIN expires. For more information, see Adoption Taxpayer Identification Number.

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