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Denmark Replaces OIOUBL with Peppol BIS 4 as Sole E-Invoicing Standard

  • Denmark will phase out its national e-invoicing format, OIOUBL, and adopt a localized version of Peppol BIS 4 (NemHandel BIS 4) as the sole standard.
  • This marks a shift from a dual-format system to a single, internationally interoperable standard for all e-invoicing.
  • The decision follows negative market feedback on the planned OIOUBL 3.0 upgrade and aligns with broader European e-invoicing trends.
  • The strategy is open for public consultation until 27 March 2026, with significant implications for service providers, software vendors, and public authorities.

Source: rtcsuite.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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