Denmark Closes Public Consultation on Transition to Peppol — One Common E-Invoice Specification (OIOUBL → Peppol BIS)

Summary

The Danish Business Authority (Erhvervsstyrelsen) has closed its public consultation (announced 11 March, ended 27 March 2026) on the transition from OIOUBL to Peppol BIS for e-invoicing in Denmark; 12 consultation responses were received and a consultation note (høringsnotat) published on 27 May 2026. [nemhandel.dk]
Stakeholders broadly support harmonisation on Peppol BIS 4, but raised concerns about complexity, costs, and the risk of too many Danish national extensions/customisations. [nemhandel.dk]
A 6-month transition window is considered too short; Erhvervsstyrelsen will now run the project“Én fælles e-faktura specifikation” (kick-off 4 June 2026) to balance simplicity and local needs ahead of the ViDA cross-border e-invoicing obligation on 1 July 2030. [nemhandel.dk]

Article

On 27 May 2026, Denmark’s Erhvervsstyrelsen (Danish Business Authority) published the consultation note (høringsnotat) closing the public consultation on the country’s transition from OIOUBL to Peppol BIS as the common e-invoice specification. The consultation, opened on Nemhandel’s website and newsletter on 11 March 2026 and closed on 27 March 2026, attracted 12 responses with numerous constructive recommendations. [nemhandel.dk] [nemhandel.dk]

Key takeaways from the consultation:

Broad support for harmonisation towards one common format based on Peppol BIS 4, particularly for international compatibility with upcoming EU regulation. The OIOUBL → Peppol migration is confirmed, starting with the invoice document. [nemhandel.dk]
Concerns about complexity and costs: stakeholders warn that excessive Danish-specific requirements and extensions could drive up implementation costs and create uncertainty. [nemhandel.dk]
Functionality preservation: certain industries and end-users have specific needs (functionality currently in OIOUBL 2.1) that should not be lost. [nemhandel.dk]
Transition window: a six-month phase-in is considered too short; several respondents called for a more detailed migration plan. [nemhandel.dk]

Erhvervsstyrelsen acknowledged the trade-offs between simplicity vs. local needs and between a longer phase-in and timely completion before the ViDA cross-border e-invoicing obligation enters into force on 1 July 2030. Next steps will be delivered under the project“Én fælles e-faktura specifikation”, with a kick-off on 4 June 2026 and a structured public–private collaboration model. [nemhandel.dk] [nemhandel.dk]

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