utLabel value="Remark"/>
                                </f:facet> 
                                <h:outputLabel value="Cancelled. (#{b.cancelledBill.deptId})" rendered="#{b.cancelled==true}" ></h:outputLabel>
                            </p:column>

                            <p:columnGroup type="footer">  
                                <p:row >  
                                    <p:column colspan="4" style="text-align:left" footerText="Totals:"/>

                                    <p:column sty