Hi Bert, I have a simlar question,except in my case, i have more than one subcustomer.

ShipmentHeader SettleFlag="A">

Customer CustomerID="A" CustomerName="A"/>

SubCustomer SubCustomerID="A" SubCustomerName="A"/>

SubCustomer SubCustomerID="B" SubCustomerName="B"/>

/ShipmentHeader>

Note: (Modified the above XML by deleting preceding...