Slovenia published the Act on the Exchange of Electronic Invoices and Other Electronic Documents in the Official Gazette on 6 November 2025. The Act provides for the introduction of mandatory electronic invoicing (e-invoicing) requirements for B2B transactions. As provided by the Act, all domestic B2B transactions are subject to e-invoicing requirements from 1 January 2028, with suppliers required to send (exchange) e-invoices in accordance with approved standards. Exchange can occur via:
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