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Tax calculation is often required by governments when selling items through an online shop. To enable tax calculations, you'll need to introduce an appropriate order modifier.

Modifiers included with core code:

  • FlatTaxModifier - addes a set percentage to all orders
  • GlobalTaxModifier - applies different tax calculation to different regions

Common requirements:

  • Specify if the tax is inclusive or exclusive.
  • Tax calculation is appropriate to country.
  • Different tax rates for different products.