Four Transaction Advice Addendum (TAA) fields. These fields are used to display descriptive information about a transaction on the customer’s American Express card statement. When you send TAA fields, start with invoiceHeader_amexDataTAA1, then ...TAA2, and so on. Skipping a TAA field causes subsequent TAA fields to be ignored. Required when invoiceHeader_merchantDescriptor
Contact is included in the request.
■ Required when invoiceHeader_ merchantDescriptor is included in the request.