It is highly important to review and edit any Tax Forms prior to submitting to verify all information is correct. Once you place order & Form(s) have been filed, you will not be able to cancel/void.
1) Log In to account on E-File Site
2) From Main Dashboard page select "Forms in Progress"
3) Locate Tax Form and click on "Edit Form" link or three dots icon (...) & select "Edit Form"
4) Make any needed changes and Save