parties (Account)

Account

id
type	string
occurs	1
description	customer number

memberShipID (attribute of id)
type	long
use	optional
default	1
description	obsolete id for a brand of Zeiss, if old customer numbers are used

name
type	string
occurs	0..1
description	name of the party

address
type	Address
occurs	0..1
description	address of the party

contact
type	ContactInfo
occurs	0..1
description	contact info of the party

<xs:complexType name="Account">
  <xs:sequence>
    <xs:element name="id">
      <xs:complexType>
        <xs:simpleContent>
          <xs:extension base="xs:string">
            <xs:attribute name="memberShipID" type="xs:long" use="optional" default="1"/>
          </xs:extension>
        </xs:simpleContent>
      </xs:complexType>
    </xs:element>
    <xs:element name="name" type="xs:string" minOccurs="0"/>
    <xs:element name="address" type="Address" minOccurs="0"/>
    <xs:element name="contact" type="ContactInfo" minOccurs="0"/>
  </xs:sequence>
</xs:complexType>