Where do i mail my amended return form 1040x

To mail your amended return form 1040X, you'll need to send it to the following address:

Internal Revenue Service Austin, TX 73301-0215

Make sure to use the correct address for your specific situation:

• If you're amending a return for a tax year that ended in an even-numbered year (e.g., 2020), use the Austin address.
• If you're amending a return for a tax year that ended in an odd-numbered year (e.g., 2019), use the Kansas City address: Internal Revenue Service KC MO 64999-0014

Also, be sure to:

1. Sign and date the form 1040X.
2. Attach all supporting documentation, such as W-2s, 1099s, and receipts for deductions.
3. Use the correct postage and mail the form certified mail, return receipt requested, to ensure it's received by the IRS.

Keep in mind that you can also e-file your amended return using tax software or through the IRS's online system, the Electronic Federal Tax Payment System (EFTPS). If you choose to e-file, you'll need to use the correct electronic filing address for your specific situation.

Remember to keep a copy of your amended return and supporting documents for your records.