What this notice is about
We need more information to process your 1- year extension request of your child’s adoption taxpayer identification number (ATIN).
What you need to do
- Send us a completed Form 15100, Adoption Taxpayer Identification Number (ATIN) Extension Request PDF, included with your notice within 60 days, and provide:
- The reason you need an extension.
- The reason you can’t get a Social Security number (SSN).
- The status of your adoption.
- Original signatures of adoptive parents, or;
- The SSN for your child if you received it.
- The quickest way to submit your reply is using the Document Upload Tool (DUT) If you prefer, you can 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.
Frequently asked questions
How long is an ATIN valid?
An ATIN 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 IRS Adoptions for IRS Individual Taxpayer Identification Number.
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 Taxpayer Advocate Service (TAS).
- See if you qualify for help from a Low Income Taxpayer Clinic.
- 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.