IBM i User Group Invoice

<invoice>
  <due-at-human-format>due upon receipt</due-at-human-format>
  <client-id type="integer">8</client-id>
  <currency>United States Dollar - USD</currency>
  <issued-at type="date">2008-02-06</issued-at>
  <subject>Your invoice subject goes here</subject>
  <notes>Some notes go here</notes>
  <number>82208</number>
  <kind>free_form</kind>
  <tax type="decimal">3</tax>
  <tax2 type="decimal">5</tax2>
    <!-- Line items in CSV format -->
  <csv-line-items>
  kind,description,quantity,unit_price,amount,taxed,taxed2,project_id
  Service,Security support / Apply upgrades,0.68,80.00,54.4,true,true,3
  Service,Security support / Intrusion detection,0.57,80.00,45.6,true,false,3
  Service,Backend Programming / Forum admin,1.20,80.00,96.0,true,false,3
  </csv-line-items>
</invoice>