- Consultation on the impact of Royal Decree 1007/2023 on software for SII users.
- Software must meet new invoicing requirements by July 1, 2025.
- SII users can continue using current programs if they comply with SII obligations.
- Non-SII users must use approved software by July 29, 2025.
- Non-compliant software cannot be marketed after July 29, 2025 for non-SII customers.
Source