You can Amend your Tax Return once the IRS has fully processed your Tax Return and you have received your Refund. You can click here for instructions on Amending your tax return: How to Change a Tax Return You Already Filed.
The 2018 Form 1040-X is estimated to be available February 28, 2019. You can click here for information on IRS Forms Availability.
Note: You SHOULD NOT make any changes on your return in TurboTax until this form becomes available.
