       <h:form>
                                        <div class="d-grid gap-2">
                                            <p:commandButton ajax="false" value="By Ordering Institution" action="ix_count_by_billed_institution?faces-redirect=true"/>

                                        </div>
                                    </h:form>
                                </p:tab>
                                <p:tab title="Collecting Centres" >
                                    <h:form>
             