If you already filed then,
Download and mail the form. You do not need to amend unless there is another reason to amend.
Form: https://www.irs.gov/pub/irs-pdf/f8379.pdf
Instructions: https://www.irs.gov/pub/irs-pdf/i8379.pdf
Where to mail: https://www.irs.gov/uac/Where-to-File-Paper-Tax-Returns-With-or-Without-a-Payment
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
