Yes, if you had claimed this deduction when you originally filed it wouldn’t have mattered.
Yes, you can file an amended return through TurboTax. How to Amend
No, there is no need to file the 1040X. Simply complete Form 540 if you're a resident.
California Customer Service Center at 1-800-400-7115
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
