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Name: the name of the tax
Display Name: how the tax rate will be displayed when presented on an invoice
Rate: the tax rate. For instance entering 0.06 would setup a tax rate of 6%
GL Code: allows you to attach a GL Code to the tax rate for reporting purposes
Tax on Tax: allows you to configure this tax to be applied on top of taxes already applied to a charge. See the Advanced Taxing – Tax on Tax article for more information
4. Click Save
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