With large bill runs, it is helpful to know that the AvaTax calculation process has been started. There is a log in Zuora that keeps track of when this process starts.
To view the call out activity in Zuora:
- Click on Settings->Z Billing Settings
- Click on Setup Profiles, Notifications, Email Templates
- Click on the Notification History tab
- Click on the Callout History tab
The most recent activity will be at the top.