- OIOUBL schematron version 1.17.0.RC for OIOUBL 2.1 is released as a Release Candidate by the Danish Business Authority.
- Final release is expected in mid-February 2026, with an implementation deadline of May 15, 2026.
- Key updates include tax code alignment at line and summary levels, expanded VAT code list for Peppol compatibility, and stricter currency code validation.
- About 5% of current production data will be affected by the new tax code rule.
- Extended notice period is provided for businesses to complete testing due to the significant impact on invoice data.
Source: docnova.ai
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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