quite often, printers pretend to be someone else and therefore need to put a different sender address onto a delivery
The Contact/Address for this type needs a ContactType.
<1.x>Table Contact Resource</1.x>
<2.x>Table Part element</2.x>
SenderAlias - The sender adress that shall be printed on a delivery to an end customer. Note: This allows a contractor to hide his subcontractor.