Skip to main content
Avalara Help Center

Why is tax not calculating on my transactions in QuickBooks Online?


You have transactions in QuickBooks Online that are not using AvaTax


QuickBooks Online


  • Check the AvaTax For QBO configuration here.
  • If the username and password fields are empty, please fill them with the login for the AvaTax admin console.
    • Part of the 4.1 release was requiring the credentials to login to the admin console.
    • This caused some customers to lose connection to AvaTax.
  • When you save your changes, you will get a message that says the save was successful.
  • Go to the transaction and click "Estimate Tax'.
  • This should add a Sales Tax calculated by AvaTax line.