The CCH iFirm preference section on the Return Manager Preferences tab, opens the line of communication between the CCH iFirm and ATX applications and enables data to be shared.
To set up ATX to share data with CCH iFirm, do the following:
Return Manager
Sign in With iFirm dialog box
If your firm is using the 2-Step Verification process, select your preferred option for receiving the authentication code and complete the required information. If you are not using the 2-Step Verification process, go to step five.
Sign in With iFirm Allow Access
Return Manager CCH iFirm Settings