diff --git a/xep.xsd b/xep.xsd
index 535915d8..c0f92f92 100644
--- a/xep.xsd
+++ b/xep.xsd
@@ -61,6 +61,8 @@ THE SOFTWARE.
         <xs:element ref='legal'/>
         <xs:element name='number' type='xs:byte'/>
         <xs:element ref='status'/>
+        <xs:element name='lastcall' minOccurs='0' type='xs:string'/>
+        <xs:element name='interim' minOccurs='0' type='empty'/> 
         <xs:element ref='type'/> 
         <xs:element name='sig' type='xs:string'/>
         <xs:element name='approver' type='xs:string'/>