Denmark mandates that all B2G e-invoices be exchanged via the NemHandel platform following the OIOUBL standard, ensuring compliance with the European standard (EN-16931) since April 2019. Additionally, the Danish Bookkeeping Act requires all businesses to adopt Digital Bookkeeping Systems (DBS) capable of handling e-invoices, with a final compliance deadline of January 1, 2026.
Source: www.fiscal-requirements.com
