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Infrastructure

SDI (Sistema di Interscambio)

SDI (Sistema di Interscambio) is the Italian exchange platform every invoice passes through: it checks the document, acknowledges it and delivers it to the recipient — without SDI an invoice in Italy counts as not issued.

Also:
Sistema di Interscambio · Interchange System
Reviewed on 2026-08-26.

There is no long-form article for this term yet. The definition above is the complete entry; the related terms lead onwards.