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Montenegro prepares B2B e-invoicing

Ministry of Finance licenses Serbia’s e-invoicing platform ahead of mandate of B2B transaction reporting

The Balkan state of Montenegro is preparing for the launch of B2B e-invoicing. It has recently licensed the real time invoice reporting platform of Serbia. This provides for a ready-made portal for creating, sending and archiving electronic invoices for businesses and sole traders.

No launch date has been confirmed.

Serbia e-invoicing was introduced in January 2023 as the Sistem e-Faktura. A new central clearing system, Continuous Transaction Controls (CTC) model has been created for the submission of sales invoice and then retrieval by customers in accordance with the Serbian Standard on Electronic Invoicing. It is based on on the EU e-invoice standard, EN 16931 with UBL 2.1 format.

Europe e-invoicing and live reporting

Country Date Comments (click for details)
EU e-invoice proposals 2030? Digital reporting and e-invoicing harmonisation
Albania Jan 2021 Authorised e-invoice software and pre-clearance
Belgium Jan 2026 Phased introduction of B2B e-invoices
Bulgaria TBC Public consultation on pre-clearance model e-invoice
Croatia Jan 2026 B2B mandatory e-invoicing
Denmark 2024 Digital record keeping obligations
Estonia 2025 Suppliers must offer customers e-invoicing option
Finland Apr 2020 Customer option to require B2B e-invoices
France Sep 2026 E-invoicing and e-reporting for B2B and B2C
Germany 2025-28 B2B mandatory e-invoicing proposals
Greece 2025 e-invoicing based on exiting myDATA digital reporting
Hungary Jul 2018 RTIR live invoice reporting. No govt pre-clearance required
Jan 2024 eVAT pre-filled returns based on live invoice reporting
Italy Jan 2019 Micro businesses join SdI e-invoicing Jan 2024
Ireland TBC Public consultation underway
Latvia 2025 B2B e-invoices based on PEPPOL
Lithuania TBC E-invoicing platform being scoped
Montenegro TBC B2B mandatory e-invoicing preparations
Netherlands No mandate planned Unlikely to adopt domestic reforms
Poland Feb 2026 B2B mandated e-invoicing
Portugal Jan 2024 Certified invoicing software for non-residents
Jan 2024 ATCUD digital invoice signature for non-residents
Romania Jul 2024 RO e-invoicing implementation
Russia TBC Extension of Traceability Model to B2B on hold
Serbia Jan 2023 B2B e-invoicing
Slovakia 2025 B2B and B2C e-invoice rollout
Slovenia 2025 ? e-SLOG B2B proposal stalled
Spain 1 Jul 2017 SII live invoice and book reporting
Spain 2 Jul 2025 Pre-clearance B2B e-invoices; supplement to SII
Sweden TBC PEPPOL based mandatory e-invoicing
Turkey Jan 2014 e-invoice e-Fatura and e-Arşiv
UK Apr 2022 MTD for VAT extended to 1.1million taxpayers

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