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Avalara Help Center

Why is QuickBooks Online not calculating tax?


You are not receiving tax calculation from the AvaTax for QuickBooks Online integration and had previously used QuickBooks Online's automated sales tax calculation (non-AvaTax calculation).


AvaTax for QuickBooks Online


  • Enable sales tax calculation in QuickBooks Online
    • On the left side tab, select Taxes > Set up sales tax
    • Change the date of your tax agencies to include 
      • On the left side tab, select Taxes > Sales tax settings
      • For each Sales Tax Agency click on the down arrow under ACTION and click Edit and change the Start Date for the agency to a start date in the future (e.g. 01/01/2199).