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Denmark Releases OIOUBL 2.1 Schematron 1.16.0.RC With CO₂ Data for E-Invoicing

  • Denmark released OIOUBL Schematron version 1.16.0.RC, adding two new validation checks and support for CO₂ data in e-invoices.
  • E-invoices can now optionally include CO₂ emissions data at the invoice or line-item level, supporting transparency and ESG reporting.
  • The update enforces that all amounts have a valid currency code.
  • The release is a candidate version, with the final release expected by end of October 2025 and implementation deadline set for 27 November 2025.

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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