<xs:complexType name="OrderNumber" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation xml:lang="de">Bestellnummer </xs:documentation>
    <xs:documentation xml:lang="en">Number of an order</xs:documentation>
  </xs:annotation>
  <xs:complexContent>
    <xs:extension base="DocumentReference" />
  </xs:complexContent>
</xs:complexType>