/**
  * Cria os nos de identificacao do RPS
  */
 protected function escreverDadosRps()
 {
     /* Identificação da RPs */
     $oXmlInfNfseIdentificacaoRps = $this->oDomDocument->createElement("ii:IdentificacaoRps");
     $oXmlInfNfseIdentificacaoRpsNumero = $this->oDomDocument->createElement("ii:Numero", $this->oNotaFiscal->getN_rps());
     $oXmlInfNfseIdentificacaoRpsSerie = $this->oDomDocument->createElement("ii:Serie", '');
     $oXmlInfNfseIdentificacaoRpsTipo = $this->oDomDocument->createElement("ii:Tipo", '1');
     $sDataEmissaoRPS = '';
     if ($this->oNotaFiscal->getData_rps() != '') {
         $sDataEmissaoRPS = $this->oNotaFiscal->getData_rps()->format('Y-m-d');
     }
     $oXmlInfNfseIdentificacaoRpsDataEmissao = $this->oDomDocument->createElement("ii:DataEmissaoRps", $sDataEmissaoRPS);
     $oXmlInfNfseIdentificacaoRps->appendChild($oXmlInfNfseIdentificacaoRpsNumero);
     $oXmlInfNfseIdentificacaoRps->appendChild($oXmlInfNfseIdentificacaoRpsSerie);
     $oXmlInfNfseIdentificacaoRps->appendChild($oXmlInfNfseIdentificacaoRpsTipo);
     $this->oNodeNota->appendChild($oXmlInfNfseIdentificacaoRps);
     $this->oNodeNota->appendChild($oXmlInfNfseIdentificacaoRpsDataEmissao);
 }