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For you and your family
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Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

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Amend/Fix Return
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Apply for an ITIN
Rules Governing Practice before IRS

Understanding Your CP561C Notice

Important Information about your child’s Adoption Taxpayer Identification Number (ATIN) - Your child’s ATIN expired

What you need to do

  • If you received a Social Security number (SSN) for the child, complete the response form with the SSN and fax or mail it using the information provided on the form.
  • If you don’t have a SSN, re-apply for a new ATIN by completing Form W-7A, Application for Taxpayer Identification Number Pending U.S. Adoption, and attach all required information to your application.

You may want to

Answers to common questions

How long is an ATIN useful?

An ATIN is valid for 2 years. However, if you don’t have a SSN for your adoptive child, you can request a 1 year extension. For more information, see instructions for completing a Form W-7A, Application for IRS Adoptions for IRS Individual Taxpayer Identification Number (PDF), or Form W-7SP, Solicitud de Número de Identificación Personal del Contribuyente del Servicio de Impuestos Internos (SP)(PDF).



Printable samples of this notice (PDF)

How to get help