When you save the transaction in QuickBooks, tax is not calculating, but when you push it to the error list and recalculate, it calculates tax.
- In QuickBooks, go to File > AvaTax > Configuration or Preferences tab (depending on connector version)
- Tax Calculations tab
- Uncheck Disable automatic calculation (Memorized Transactions).
When Disable automatic calculation (Memorized Transactions) is activated, it stops QuickBooks from activating Avatax when saving an invoice.