If federal is already e-filed and pending, and you need to add information to or modify your return, you need to wait until it is either accepted, or rejected.
If rejected, you can update your return and re-file.
If federal is already e-filed and pending, and you need to add information to or modify your return, you need to wait until it is either accepted, or rejected.
If rejected, you can update your return and re-file.