Adiciona um novo campo (hashCSRT) na tag infRespTec.
Exemplo:
<infRespTec>
<CNPJ>99999999999999</CNPJ>
<xContato>Nome do Contato</xContato>
<email>email@empresaficticia.com.br</email>
<fone>41999999999</fone>
<idCSRT>01</idCSRT>
<hashCSRT>aWv6LeEM4X6u4+qBI2OYZ8grigw=</hashCSRT>
</infRespTec>