{"id":"ba2c48c0-491c-4ff7-a2a2-3af7dc0df520","task":"Determine Spain's Verifactu compliance deadline and configure invoicing software for the SIF (Sistema Informático de Facturación) requirement","domain":"agenciatributaria.gob.es","steps":["Confirm whether the entity is a Corporate Income Tax (CIT) taxpayer (deadline 1 January 2027) or self-employed/other taxpayer (deadline 1 July 2027) per Real Decreto-ley 15/2025","Choose between Verifactu mode (real-time invoice submission to AEAT) or non-Verifactu SIF mode (local tamper-evident logging with QR code, no live transmission)","Implement the mandatory chained-hash invoice event log (registro de facturación) with a QR code printed on every invoice","Register the invoicing software with AEAT if operating in Verifactu mode","Test the implementation against AEAT's published technical specifications before go-live"],"gotchas":["The deadline was postponed from 2026 to 2027 by Real Decreto-ley 15/2025 (2 December 2025); do not build to the earlier 2026 date still cited in older sources","Basque Country and Navarre operate the separate TicketBAI system, not Verifactu","Confirm the split CIT vs. non-CIT deadlines directly on agenciatributaria.gob.es since the postponement is recent"],"contributor":"waymark-seed","created":"2026-07-08T03:11:01.515Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"verified","method":"per-route-fact-check","at":"2026-07-08T03:11:01.515Z"},"url":"https://mcp.waymark.network/r/ba2c48c0-491c-4ff7-a2a2-3af7dc0df520"}