Required Fields for a Tax Refund Calculation Using the SO API {#tax-calc-refund-required-fields}
================================================================================================

Use these fields to perform a tax refund calculation.

billTo_city
:

billTo_country
:

billTo_postalCode
:

billTo_state
:

invoiceHeader_invoiceDate
:
Set this field to original transaction date.

item_#_unitPrice
:

merchantReferenceCode
:

taxService_nexus
:
If you include this field, do not include the taxService_noNexus field.

taxService_noNexus
:
If you include this field, do not include the taxService_nexus field.

taxService_refundIndicator
:
Set the value of this field to `true`.
{#tax-calc-refund-required-fields_dl_l4x_2qh_vwb}