Required Fields for a Tax Refund Calculation Using the
SO
API

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
.