You want to process several transactions at once in QuickBooks without clicking through multiple AvaTax windows.
- Go to the Tax Calculation tab of the Avalara settings in QuickBooks:
- Deselect (uncheck/empty): Open sales documents after tax calculation and Always display tax details
- Select (check): Disable dialogue windows [memorized transactions]
- Go to File > AvaTax > View Unresolved Sales Tax Errors, and click Calculate All to calculate tax on the batch after processing