- On February 24, 2026, Denmark announced it will replace the OIOUBL 2.1 e-invoicing format with NemHandel BIS 4, based on the Peppol BIS 4 standard.
- The new format will comply with European e-invoicing norm EN-16931 and support future EU VAT in the Digital Age (ViDA) requirements.
- This change follows the cancellation of OIOUBL 3 and is based on a year-long analysis.
- Migration is planned between 2028 and mid-2029, with a release candidate in 2028 and a transition period where both formats will coexist.
- More details and exact timelines will be provided later.
Source: fiscal-requirements.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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