What this notice is about
We have important information about your child's Adoption Taxpayer Identification Number (ATIN). Your child's ATIN expires in 3 months.
What you need to do
-
Complete Form 15100, Adoption Taxpayer Identification Number (ATIN) PDF Extension Request, included with your notice if you received a Social Security number (SSN) for your child, or;
- Apply for a one-year extension of this ATIN by completing Form 15100, if you don't have an SSN.
- You can send us your information using the Document Upload Tool. To use the tool, visit , or:
- If you prefer, fax your information 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
- Call us at the number listed in your notice.
- See additional information on Adoption taxpayer identification number.
Frequently asked questions
What can I do if I don't have a Social Security number (SSN) for my adoptive child?
You can request an extension before your assigned ATIN expires by completing Form 15100 included with your notice. The extension is only valid for 1 additional year.
Need help?
- You can authorize someone to represent you before the IRS or inspect and/or receive confidential tax information.
- You may be eligible for free help from the .
- See if you qualify for help from a .
- You can request a copy of your notice or letter in Braille or large print.
- If you can’t find what you need online, call the telephone number on your notice or letter.