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Denmark

Denmark cancels OIOUBL 3 and moves toward a single e-invoicing standard

Denmark cancels OIOUBL 3 and moves toward a single e-invoicing standard On 14 January 2026, the Danish Business Authority announced that the planned release of OIOUBL 3 has been cancelled.…
Slovakia

Slovakia outlines next phase of VAT amendments

Slovakia outlines next phase of VAT amendments On 14 January 2026, the Slovak Financial Administration published Guide No. 1/DPH/2026/I, providing further clarification on the next phase of amendments to the…
Denmark

Denmark updates OIOUBL rules ahead of May 2026

Denmark e-invoicing update: new OIOUBL validation rules and OIOUBL 3 cancelled Denmark has announced two important developments that will shape its e-invoicing framework from 2026 onwards. New OIOUBL validation rules…
Belgium

Belgium updates official guidance on mandatory B2B e-invoicing

Belgium e-invoicing update: official documentation updated after B2B mandate Belgium’s tax authorities have published an updated set of official documentation on mandatory e-invoicing. The update follows the introduction of mandatory…
Spain

Spain grants additional window to renounce SII after VERI*FACTU delay

Spain has introduced an exceptional measure allowing companies to renounce voluntary participation in SII following the postponement of VERIFACTU. The change was introduced through Royal Decree-Law 16/2025 and applies to…
Croatia

Croatia e-invoicing update: first results from Fiscalization 2.0

Croatia has entered the first operational phase of its new e-invoicing framework under the Fiscalization Act, often referred to as Fiscalization 2.0. The Croatian Ministry of Finance has published the…
Poland

Poland KSeF update following January 16 press conference

Poland KSeF update following the January 16 press conference On January 16, the Polish Ministry of Finance held a press conference dedicated to the National e-Invoicing System, known as KSeF.…
Poland

Poland KSeF 2.0 update on invoice attachments

As of 1 January 2026, the Polish Ministry of Finance enables taxpayers to issue and send structured invoices with attachments via KSeF 2.0. This functionality is optional, but it comes…
Germany

What the German Electronic Business Address means for e-invoicing

Germany has taken another step in structuring its national e-invoicing landscape with the publication of documentation for the German Electronic Business Address (GEBA). The documentation was released by XStandards Einkauf…
Poland

Poland confirms KSeF 1.0 shutdown timeline ahead of KSeF 2.0

The Polish Ministry of Finance has published additional technical details on the planned shutdown of KSeF 1.0, ahead of the mandatory go-live of KSeF 2.0. This clarification follows earlier updates…