<allowed_content_type_list>
 <portal_type id="Delivery Patch">
  <item>Delivery Patch Line</item>
 </portal_type>
 <portal_type id="Delivery Patch Line">
  <item>Delivery Patch Cell</item>
 </portal_type>
 <portal_type id="Delivery Patch Module">
  <item>Delivery Patch</item>
 </portal_type>
</allowed_content_type_list>