             <h:outputLabel 
                                        value="#{cc.attrs.bill.cancelledBill.paymentMethod}" 
                                        rendered="#{cc.attrs.bill.cancelledBill.deptId ne null}" />                        
                                    <h:outputLabel 
                                        value="#{cc.attrs.bill.paymentMethod}" 
                                        rendered="#{cc.attrs.bill.cancelledBill.deptId eq null }"/>

                                