This functionality is currently available via administration panel.
In the VAT subsection you can configure whether it’s necessary to add VAT to prices or not. Here you can set the logic separately for total price and for commission.
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To add the VAT plan to the contract,
Go to the contract, tab VAT.
Click Edit to switch to editing mode.
Select the required VAT plans for total price and commission.
Click Save.
For further information on how to configure VAT plans, please refer to ++ Payment Settings .