... <OP_Type_Name>Provedor de facturación</OP_Type_Name> <OP_TaxGroup_Name>Basic</OP_TaxGroup_Name> <OP_TaxGroup_Symbol>BProviderTaxGroup</OP_TaxGroup_Symbol> <OP_InternalCPNumber>26</OP_InternalCPNumber> <REFERENCE>FACXML001372082007</REFERENCE> ...