QAD Internationalization Extensions, Spain 2.0 > Install Guide > QAD Spain Internationalization Extension Installation Guide, Version 2.0 > Requirements
  
Requirements
The internationalization extension features for Spain require QAD Enterprise Edition version 2014 or higher.
The following software must be installed in the server as a prerequisite to sending SII-related XML messages to the State Agency of Tax Administration—La Agencia Estatal de Administración Tributaria (AEAT) —Web service:
• cURL
For more information on cURL, see AEAT Web Service Authorization Components.