Your TaxAct program must be matched to the account on which you have a purchase with prepaid or unlimited e-filing in order to use it. Your Practice ID, which automatically enters in your program with the account you use to sign in, is what matches the program to your account information. So you must sign into your program with the correct username.
If you encounter the Preparer E-File Wizard, you will need to make sure the preparer entry has the correct name, EFIN and PTIN (or SSN if not using a PTIN).
To enter the verification information for your prepaid efiling:
This is for your prepaid filing and to check the status of your client's returns online.