- Denmark is updating its e-invoicing system to OIOUBL 3
- Nemhandel announced the new format on November 21, 2024
- OIOUBL 3 aligns with European e-invoicing standard EN 16931
- The update includes mandatory invoice message responses and a detailed migration plan
- Key features of OIOUBL 3 include separation of message and business responses, mandatory two-way profiles, and specific field definitions
- Businesses must register in the Nemhandelsregistret to use the new format
- Invoice receivers must support both OIOUBL 2.1 and OIOUBL 3 during the transition
- Migration timeline includes several key dates from the release on November 15, 2024, to mandatory support by November 15, 2025
- OIOUBL 2.1 will be phased out by May 15, 2026
- These changes aim to enhance compliance and efficiency in Denmark’s e-invoicing
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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