Tax needs to be calculated in AvaTax for Salesforce without clicking on the Calculate Tax button.
AvaTax for Salesforce
- In the TaxNow Settings, put a check in the Automatic Tax Calculation check-box.
- Avalara will automatically calculate when a change is made to the line details of the Opportunity.
- Note that we have refined this enough that it doesn't happen by doing something like refreshing the page.