Denmark Updates OIOUBL E-Invoicing Standard: New Schematron Version 1.15 RC Released for Testing

The Danish Business Authority has released OIOUBL Schematron 1.15 (RC) for OIOUBL 2.1, introducing stricter VAT validation rules to improve e-invoicing accuracy. Changes include mandatory 0% VAT rates for Zero-Rated items, stricter VAT amount calculations at the line level, and enhanced VAT summary validation for entire invoices. .