Order-Level Fields Table 8 Order-Level Fields for FDMS Nashville CyberSource Field Name Description Used By: Required (R) or Optional (O) Data Type & Length invoiceHeader_taxable Flag that indicates whether an order is taxable. Possible values: ■ true: the order is taxable. ■ false: the order is not taxable. Level II ■ Visa ■ Mastercard String (5) invoiceHeader_userPO Value used by your customer to identify the order. This value is typically a purchase order number. CyberSource recommends that you do not populate the field with all zeros or nines. Level II ■ Visa (R for purchase/procurement cards; otherwise O) ■ Mastercard (R for purchase/procurement cards; otherwise O) String (25) shipTo_postalCode Postal code for the shipping address. The postal code must consist of 5 to 9 digits. When the shipping country is the U.S., the 9-digit postal code must follow this format:[5 digits][dash][4 digits] Example 12345-6789 When the shipping country is Canada, the 6-digit postal code must follow this format:[alpha][numeric][alpha][space][numeric][alpha][numeric] Example A1B 2C3 If the postal code for the shipping address is not included in the request message, CyberSource uses the postal code for the billing address. If the postal code for the billing address is not included in the request message, the postal code for the shipping address is required. Level II ■ Visa ■ Mastercard String (10)