--- a/2/model.ttl	Sun Sep 08 22:01:15 2013 +0100
+++ b/2/model.ttl	Sun Sep 08 22:03:45 2013 +0100
@@ -830,6 +830,13 @@
 	rdfs:comment "The maximum period of metered usage time."@en ;
 	rdfs:range rdfs:Literal .
 
+:payAmount
+	a rdf:Property, owl:DatatypeProperty ;
+	rdfs:subPropertyOf :rightOperand ;
+	vs:term_status "testing" ;
+	rdfs:label "Payment amount"@en ;
+	rdfs:range xsd:decimal .
+
 :percentage
     a rdf:Property , owl:DatatypeProperty ;
 	rdfs:subPropertyOf :rightOperand ;