spain-einvoiceSource-cited draft Use this skill whenever asked about Spanish e-invoicing, factura electrónica Spain, FACe, Facturae, Veri*factu, VERI*FACTU, SII (Suministro Inmediato de Información), AEAT e-invoicing, B2B e-invoicing mandate Spain, RD 1007/2023, RD 238/2026, Ley Crea y Crece, QR tributario, anti-fraud invoicing software, SPFE (Solución Pública de Facturación Electrónica), or any question about issuing, receiving, validating, or archiving electronic invoices in Spain. Also trigger when configuring Veri*factu-compliant billing software, setting up SII real-time reporting, submitting B2G invoices via FACe, or advising on the transition from SII to Veri*factu. This skill covers FACe B2G, SII reporting, Veri*factu anti-fraud system, B2B mandate timeline, accepted formats (Facturae, UBL, CII), mandatory fields, validation rules, archiving, penalties, and interaction with Spanish VAT returns. ALWAYS read this skill before touching any Spanish e-invoicing work.