<?xml version="1.0"?>
<apo:purchaseOrder xmlns:apo="http://www.example.com/PO1"
                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                   orderDate="1999-10-20">
  <billTo country="US" xsi:type="apo:USAddress">
    <name>Robert Smith</name>
    <street>8 Oak Avenue</street>
    <!-- etc. -->
      <city>Old Town</city>
      <state>PA</state>
      <zip>95819</zip>
  </billTo>
  <apo:comment>Hurry, my lawn is going wild!</apo:comment>
  <shipTo country="US" xsi:type="apo:USAddress">
    <name>Alice Smith</name>
    <street>123 Maple Street</street>
    <!-- etc. -->
      <city>Mill Valley</city>
      <state>CA</state>
      <zip>90952</zip>
  </shipTo>
  <!-- etc. -->
   <items>
      <item partNum="872-AA">
         <productName>Lawnmower</productName>
         <quantity>1</quantity>
         <USPrice>148.95</USPrice>
         <comment>Confirm this is electric</comment>
      </item>
      <item partNum="926-AA">
         <productName>Baby Monitor</productName>
         <quantity>1</quantity>
         <USPrice>39.98</USPrice>
         <shipDate>1999-05-21</shipDate>
      </item>
   </items>
</apo:purchaseOrder>
