How to mail amended state tax return

To mail an amended state tax return, you'll need to follow these steps:

1. Make sure you need to amend: Before you start, ensure that you need to amend your state tax return. Check your state's tax authority website or consult with a tax professional to determine if you need to file an amended return.
2. Gather required documents: Collect all necessary documents, including:
   • Your original state tax return (Form 1040, 1040A, or 1040EZ)
   • The amended return form (usually Form 1X, 1040X, or similar)
   • Any supporting documentation, such as:
     • W-2 forms
     • 1099 forms
     • Proof of payment for any additional taxes owed
3. Complete the amended return form: Fill out the amended return form accurately and completely. Make sure to:
   • Sign and date the form
   • Include all required information, such as your name, address, and Social Security number or Individual Taxpayer Identification Number (ITIN)
   • Attach any supporting documentation
4. Calculate any changes: Calculate the changes to your original return, including any additional taxes owed or refunds due. Make sure to include the correct amounts on the amended return form.
5. Mail the amended return: Send the amended return to the correct address for your state tax authority. You can find the address on your state's tax authority website or on the amended return form.

Important mailing addresses:

• California: Franchise Tax Board, PO Box 94215, Sacramento, CA 94245-4150
• Florida: Department of Revenue, PO Box 7447, Tallahassee, FL 32314-7447
• New York: New York State Department of Taxation and Finance, PO Box 15000, Albany, NY 12212-0500
• Texas: Comptroller of Public Accounts, PO Box 149099, Austin, TX 78714-9099

Additional tips:

• Make sure to keep a copy of the amended return and supporting documents for your records.
• If you're filing electronically, you may need to use a specific software or platform to submit your amended return.
• If you're unsure about any part of the process, consider consulting with a tax professional or contacting your state's tax authority for guidance.

Remember to file your amended state tax return as soon as possible to avoid any potential penalties or interest.