
                                </f:facet> 
                                <h:outputLabel value="#{b.referenceBill.invoiceNumber}"/>
                            </p:column>

                            <p:column headerText="GRN Date" >
                                <f:facet name="header">  
                                    <h:outputLabel value="GRN Date"/>
                                </f:facet> 
                                <h:outputLabel value="#{b.referenceBill.createdAt}"/>
                