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Avalara Help Center

Why does my system tax code no longer function like it should?


You want to know why the Avalara system tax code logic is not longer functioning




  • If you use an Avalara System Tax Code as one of your custom tax codes in Avatax, this negates all the rules.  The tax code will tax by default

    • Even if there are no custom rules for this tax code, having it listed under Tax Codes, it will default to taxable.
  • Delete the custom tax code in question that is the same as an Avalara System Tax Code