Printable Form 2026

IRS Form 15101 – Provide a Social Security Number (SSN) for Adoptive Child

IRS Form 15101 – Adopting a child is a life-changing experience, but it also comes with important tax considerations. If you’ve previously obtained an Adoption Taxpayer Identification Number (ATIN) for your adoptive child to claim tax benefits like the Adoption Credit, you’ll need to update the IRS once the child receives a permanent Social Security Number (SSN). That’s where IRS Form 15101 comes in. This form allows adoptive parents to notify the IRS of the child’s new SSN, ensuring your tax records are accurate and up-to-date. In this article, we’ll cover everything you need to know about Form 15101, including its purpose, how to fill it out, and its connection to adoption-related tax relief.

Whether you’re navigating the adoption process or preparing your taxes, understanding Form 15101 can help you avoid delays and maximize eligible credits. Let’s dive in.

What Is IRS Form 15101?

IRS Form 15101, titled “Provide a Social Security Number (SSN) for Adoptive Child,” is a simple one-page document used exclusively to inform the IRS of your adoptive child’s SSN after the adoption is finalized. It’s not an application for an SSN—that’s handled by the Social Security Administration (SSA). Instead, this form replaces a temporary ATIN that the IRS may have issued earlier for tax purposes.

The form includes basic fields for contact information, the child’s name, the assigned ATIN (if applicable), and the new SSN. It requires original signatures from the adoptive parents. According to official IRS guidelines, you should only use this form if the IRS previously provided an ATIN for the child.

Key details from the form:

This form is crucial for transitioning from temporary to permanent identification, helping you maintain compliance while claiming deductions or credits.

When and Why Do You Need to File Form 15101?

You need to file Form 15101 only after your adoption is finalized and you’ve obtained an SSN for the child from the SSA. The primary reason is to deactivate the ATIN and update IRS records with the permanent SSN. Continuing to use the ATIN after finalization could lead to issues with your tax return.

Common scenarios include:

  • Claiming the Adoption Credit on Form 8839, Qualified Adoption Expenses, where a valid TIN (Taxpayer Identification Number) for the child is required.
  • Responding to IRS notices like CP560A, CP561B, or CP561C, which may include Form 15101 if you’ve received an SSN.
  • Updating your address or contact info if it has changed since applying for the ATIN.

The ATIN is a temporary nine-digit number issued by the IRS for pending domestic adoptions when an SSN isn’t available. It’s valid for up to two years but must be replaced by an SSN once the adoption is complete. If the SSA denies your SSN application, you can request an ATIN extension using Form 15100, but include the denial letter.

Filing Form 15101 ensures smooth processing of tax benefits, such as the Adoption Credit, which can be up to $17,280 per child in 2025 for qualified expenses like adoption fees, court costs, and travel.

How to Obtain an SSN for Your Adoptive Child?

Before filing Form 15101, secure the SSN through the SSA:

  1. Complete Form SS-5, Application for a Social Security Card.
  2. Gather required documents, such as the final adoption decree, birth certificate, and proof of identity.
  3. Submit to your local SSA office or online at www.socialsecurity.gov. It typically takes about two weeks to process.

Important Caution: Do not use IRS forms to apply for an SSN—only the SSA can issue one.

If you’re a foster parent or in a similar situation, explain your role to the SSA to facilitate the process.

Step-by-Step Guide to Filling Out Form 15101

Filling out Form 15101 is straightforward. Here’s a breakdown based on the form’s structure:

  1. Contact Information: Enter your name(s), Taxpayer Identification Number(s) (usually your SSN), address, city, state, ZIP code, and phone numbers. Specify the best time to call (a.m. or p.m.). Use this section to report any address changes.
  2. Adoption Details: Provide the name of the adoptee, the received SSN, and the previously assigned ATIN.
  3. Signatures: Both adoptive parents must print their names, sign, and date the form. Original signatures are required—no electronic signatures for submission.

Ensure all information is accurate to avoid delays. If you have questions, call the IRS at (737) 800-5511.

Where to Submit Form 15101?

Submit the completed form by mail or fax:

  • Mail (Standard): Internal Revenue Service, Stop 6182, Austin, TX 73301-0066
  • Mail (Overnight): Internal Revenue Service, 3651 S. Interregional Hwy 35, Stop 6182, Austin, TX 78741
  • Fax: (855) 250-1731

There’s no electronic filing option for this form. Always keep a copy for your records.

Form 15101 ties into broader adoption tax relief:

  • Form W-7A: Apply for an ATIN if needed during the pending adoption phase.
  • Form 8839: Use this to claim the Adoption Credit. You’ll need the child’s TIN (SSN, ATIN, or ITIN). The credit covers qualified expenses and may be partially refundable.
  • Employer Benefits: Exclude up to $17,280 in adoption assistance from income, reported on your W-2.

For special needs adoptions, you may qualify for the full credit even without expenses. Consult IRS Publication 501 or 503 for more details.

Note: An ATIN cannot be used for the Earned Income Tax Credit—only an SSN qualifies.

Frequently Asked Questions About IRS Form 15101

Can I use Form 15101 to apply for an SSN?

No, only the SSA issues SSNs. Form 15101 is solely for notifying the IRS of an existing SSN.

What if my ATIN expires before the adoption is final?

Request an extension with Form 15100, including proof if the SSN was denied.

How does this affect my taxes?

Updating to an SSN ensures you can continue claiming the child as a dependent and access credits like the Adoption Credit without issues.

Is there a deadline for filing Form 15101?

File as soon as you receive the SSN after finalization to deactivate the ATIN promptly.

For the latest updates, visit IRS.gov or consult a tax professional. Adopting a child brings joy and potential tax savings—Form 15101 helps make the process seamless. If you’re in the midst of adoption, start by downloading the form today and stay informed on your tax options.