As of June 2026: B2B e-invoicing via SDI is fully mandatory for all VAT-registered businesses since January 2024. No threshold applies — every domestic B2B invoice must be routed through SDI. Confirm with the Agenzia delle Entrate.
Italy was the first EU country to mandate B2B e-invoicing at scale. Since January 2019 for large companies and January 2024 for all VAT-registered businesses, every domestic B2B invoice must be transmitted through the SDI (Sistema di Interscambio), Italy's central routing hub managed by the Agenzia delle Entrate. The required format is FatturaPA — an Italian XML schema aligned with EN 16931. Invoices not routed through SDI are not legally valid for Italian tax purposes.
Italy's SDI requires invoices in FatturaPA XML format, which is not directly exported by Invotify. Invotify Pro exports UBL 2.1 and CII — the international EN 16931-aligned standards — which are useful for cross-border invoicing and as inputs to service providers who can convert to FatturaPA for SDI submission. For direct SDI routing, a dedicated Italian invoicing service or integration is required. E-invoicing is a Pro feature.
The SDI (Sistema di Interscambio) is Italy's central government platform for routing all domestic B2B and B2G electronic invoices. Managed by the Agenzia delle Entrate, every FatturaPA XML invoice must pass through SDI before it reaches the recipient. SDI validates, timestamps, and delivers the invoice — and returns a receipt confirming acceptance or rejection. No direct exchange between buyer and seller is valid without SDI routing.
Not directly. Invotify Pro exports UBL 2.1 and CII — the EU-standard formats aligned with EN 16931 — but not Italy's proprietary FatturaPA XML schema required by SDI. For Italian B2B invoicing, you will need a dedicated FatturaPA service, certified billing software, or a service provider that converts your invoice data to FatturaPA and submits it through SDI. Invotify's exports are useful for cross-border invoicing outside Italy and as a data source for such conversion workflows.
Yes. Italy's B2B e-invoicing mandate is the most mature in the EU. Large companies were required to use SDI from January 2019; the mandate extended to all VAT-registered businesses, including small businesses and sole traders, from January 2024. There is no threshold — every domestic B2B invoice must be transmitted through SDI in FatturaPA format. This has been the law for years; there is no phase-in period remaining.
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