How to mail an amended tax return

To mail an amended tax return, also known as Form 1040-X, follow these steps:

1. Make sure you need to amend: Before mailing an amended return, ensure you need to make changes to your original tax return. You may need to amend your return if you:
   • Discovered errors or omissions on your original return.
   • Need to claim a refund or credit you didn't receive.
   • Need to correct a mistake or omission on your original return.
2. Gather required documents: Collect all necessary documents to support your changes, such as:
   • Original tax return (Form 1040).
   • Supporting documentation for changes (e.g., W-2s, 1099s, receipts, etc.).
   • Any additional forms or schedules required for your changes (e.g., Form 8962 for the Premium Tax Credit).
3. Complete Form 1040-X: Use the amended return form (Form 1040-X) to make changes to your original return. You can:
   • File online using the IRS Free File program or tax software.
   • Download and print the form from the IRS website.
   • Order a paper copy of the form by calling the IRS at 1-800-829-3676.
4. Attach supporting documents: Attach all supporting documents to the amended return, including:
   • Original tax return (Form 1040).
   • Supporting documentation for changes.
   • Any additional forms or schedules required.
5. Sign and date the amended return: Sign and date the amended return (Form 1040-X) in the space provided.
6. Mail the amended return: Mail the amended return to the IRS at the following address:

Internal Revenue Service Amended Return Processing 1111 Constitution Ave NW Washington, DC 20224-0002

Important:

• Make sure to use the correct mailing address, as the IRS has different addresses for different types of amended returns.
• Keep a copy of your amended return and supporting documents for your records.
• The IRS may take 8-12 weeks to process your amended return. You can check the status of your amended return online using the "Where's My Amended Return?" tool.
• If you're due a refund, you can use the IRS's "Get Transcript Online" tool to check the status of your refund.

Remember to carefully review your amended return before mailing it to ensure accuracy and completeness. If you're unsure about any part of the process, consider consulting with a tax professional or the IRS directly.