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Avalara Help Center

Why is PrestaShop showing double tax?

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Overview

You see that your shopping cart has tax that is about double what it should be for all transactions in states where you have selected nexus in Avalara.

Environment

PrestaShop

Resolution

  • Part of the initial setup process is disabling the native tax calculation functionality in PrestaShop
    • If you do not disable, PrestaShop will add the Avalara and PrestaShop tax amount together as total tax
  • Disable PrestaShop native taxes as specified in the Prestashop Configuration: https://github.com/nurelm/prestashop...e-native-taxes