    <p:column headerText="Previous Expiry Date" style="text-align: center;">
                                    <f:facet name="header">
                                        <h:outputLabel value="Previous Expiry Date"/>
                                    </f:facet> 
                                    <h:outputLabel value="#{i.pharmaceuticalBillItem.beforeAdjustmentExpiry}" >
                                        <f:convertDateTime pattern="#{configOptionApplicationController.getShortTextValueByKey('E