- Fiscalization in Spain can be VeriFactu or non-VeriFactu
- The SIF can be exclusively VeriFactu or “dual”
- The client-taxpayer chooses the mode of operation
- There cannot be a “NOT VERI*FACTU ONLY” SIF
- Responsibility falls on the client-taxpayer and the chosen configuration
Source: fiscal-requirements.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.