Center mt15">
                            <p:commandButton value="#{msgs['FORM.MODIFIER']} les informations de ce contact"
                                             oncomplete="PF('modifContact').show();" update="modifContact" styleClass="mr20"
                                             rendered="#{(not empty conventionController.convention.signataire and conventionController.convention.signataire.id gt 0)
                                                and not empty conventionController.convention.sig