facet>
                        <p:outputLabel value="#{d.billItem.bill.billedBill.deptId}" />
                    </p:column>

                    <p:column headerText="BHT No"
                              sortBy="#{d.billItem.bill.patientEncounter.bhtNo}" 
                              filterBy="#{d.billItem.bill.patientEncounter.bhtNo}"
                              filterMatchMode="contains">
                        <f:facet name="header">
                            <h:outputLabel value="BHT No" />
   