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E-Invoice Validator

IS-R-010

MistakeUBL

Official rules text

[IS-R-010]-If seller is icelandic and invoice contains supporting description EINDAGI the id date must be same or later than due date — Ef seljandi er íslenskur þá skal eindagi (BT-122, DocumentDescription = EINDAGI) skal vera sami eða síðar en gjalddagi (BT-9) ef eindagi er til staðar.

Rules and regulations

Does this error appear in your invoice?

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  • Official EN 16931 regulations
  • Always current official regulations

Official rule sets up to date: EN 16931 1.3.17 · Peppol BIS 3.0.20 · XRechnung 3.0.2 (KoSIT 2.6.0). Last checked against the sources on 12.10.2026.