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Avalara Help Center

Why is tax not calculating on orders/invoices in Sage 100?


Tax is not calculating on orders/invoices.


Sage 100


  • Ensure Nexus is enabled for the ship to state.
  • Ensure the customer is not marked as nontaxable or has an exemption certificate. 
  • Ensure the AVATAX tax schedule is present on the transaction; without the AVATAX tax schedule the AvaTax service is not triggered.
    • The orange 'a' button will be used to recalculate sales tax if you make an adjustment to any field on the 'Totals' tab. Such as entering a Discount, Freight amount, etc.