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Croatia has made a significant advancement in the realm of tax digitisation with the implementation of its Tax Audit Act (Fiskalizacija 2.0), which will come into effect on the 1st of January 2026.
The Confederation of Swedish Enterprises (NSD) has asked the government to talk with the public about how to use B2B electronic invoicing and digital reporting.
On 16 March 2026, the Norwegian Ministry of Finance issued a letter (ref. 26/1569) addressed to the Tax Administration, confirming its intention to introduce mandatory electronic invoicing and digital accounting.
After waiting for many months, B2B e-invoicing in Poland is now official. Since 1 February, all companies that make more than €46 million have had to start using e-invoices for business-to-business (B2B) transactions. For all other companies, this will be in effect in April.
On 26 June 2025, the Danish Business Authority announced that it would review the national electronic invoicing format OIOUBL and the Nemhandel infrastructure. This was after it had postponed the launch of OIOUBL 3.0.
Since July 2024, the RO e-Factura electronic invoicing system, managed by ANAF, has been mandatory for most domestic B2B transactions. In January 2025, it was extended to B2C reporting.
The implementation of regulations that seek the adoption of electronic invoicing is progressing well throughout Europe, particularly in the context of B2B and B2G transactions.
On 14 January 2026, the Slovak Financial Administration published Guide No. 1/DPH/2026/I. This guide explains some big changes to the VAT Act, which will start on 1 July 2027. Another phase of changes is planned for 1 July 2030.
Finland was one of the pioneering countries in the adoption of electronic invoices. In 2014, the implementation of e-invoicing in public procurement (B2G scope) commenced as a result of the Public Administrations Financial Management Strategy (2014-2020).
Luxembourg's medium- and long-term strategy, covering the years 2023-2024 and 2025-2030 respectively, includes the use of PEPPOL beyond pure e-invoicing. This reflects a progressive and ambitious approach towards the digitisation of its business and tax processes.
In this context, the use of PEPPOL (Pan-European Public Procurement Online) is a central element of this strategy, covering a wider range of commercial transactions.
