How to setup custmer specipic tax
we are defining 12 VAT
and from vat Diduct amount 1.5% anther NBT TAX( sri lankan tax)
but in some case some specipic customer not laible to pay this,
i have define it as defult tax for all customer so i need to set TAX excempt to some specipc customer
please if you know let me know
thanks
nalinda