If you are Amending your already filed tax return, the Explanation of Change is where you explain why you are amending your return and the changes you made to your tax return.
Example: Taxpayer omitted Form 1099-B from tax return. Amending tax return to report 1099-B income.
Wait a little longer before you file without Form 1099-B. Brokerage statements must be mailed by February 15th.
Follow the steps listed in the TurboTax FAQ below on how to complete an amended return. Click the 2017 link with instructions for amending your 2017 tax return.
