Only one tax return can be filed per TurboTax account. If you want to file a tax return for someone else, then you will want to create a new TurboTax account because only one tax return can be filed per TurboTax online account.
To create a new TurboTax account, follow the steps below:
If there is a mistake or missing document on your tax return and you need to make changes, then you will want to file an amended tax return to add the document or correct it.
First, you will want to wait until your tax return is accepted or rejected. If it is rejected, then you can go in and fix the mistake. If accepted, then you will want to wait until your original tax return is processed by the IRS. If you are receiving a refund, you should wait until the check is issued. Amended returns must be filed by mail.