In order to surcharge for credit cards and not debit cards I need to create a duplicate PSP file, in my case WorldPay, where the surcharge rule can apply to one payment method but not the other.
Thing is, once you've already used a PSP from the drop down menu you can't select it again on next row.
Thing is, once you've already used a PSP from the drop down menu you can't select it again on next row.
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