Can you please clarify what you mean by "The items we are adding to an order are inclusive of their sales tax."
This is already the way in which our architecture is set up. The subtotal and tax fields on the receipt are calculated. The subtotal being the order's total price without tax, and the tax field being the order's total tax amount (the sum of each line item's taxAmount).
Here are the docs explaining those calculations: https://docs.clover.com/build/working-with-orders/#calculating-order-totals
Additionally, here are our docs on how to properly add taxes within our architecture: https://www.clover.com/us/en/help/set-up-taxes/
Bear in mind this operates differently in different regions, while the EU is VAT inclusive, the US is VAT (Sales Tax) exclusive and the calculations are done differently as appropriate.
I believe Jeffrey describes that in his answer above.
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