TAX REGULATIONS
Stay compliant without the hassle
Everything you need to know about Spanish tax regulations and how Facturacion IA helps you comply.
VERI*FACTU 2027
The invoicing-record system with 2027 adaptation deadlines depending on taxpayer type.
Learn more →SII — Immediate Information Supply
Electronic invoice submission to AEAT within 4 or 8 days.
Learn more →TicketBAI
Mandatory invoicing system in the Basque Country and Navarra.
Learn more →Modelo 303
Quarterly VAT return: deadlines, calculation and filing.
Learn more →Anti-Fraud Law
Law 11/2021: requirements for certified invoicing software.
Learn more →