- There are different local regulations affecting IT aspects of Spanish VAT.
- The Immediate Information Supply (SII) requires qualifying taxpayers to electronically file VAT data in real-time.
- Obligatory e-invoicing requires electronic invoices in B2B transactions.
- Statutory requirements of invoicing systems regulate the software used for invoicing processes.
- Non-resident companies operating in Spain may be obliged to comply with these IT regulations.
Source: ivaconsulta.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.