Official rule text
[ibr-cl-01]-The document type code (ibt-003) MUST be coded by the invoice and credit note related code lists of UNTDID 1001.
What this means
The invoice/credit-note type code is not one of the standard UNTDID 1001 codes Peppol recognises (e.g. 388 for a standard invoice).
What to do
Share this rule id with whoever manages your invoicing software or IT — or ask TechMate to fix it for you (see below).
Check whether your invoice hits this rule — freeCodes & classifications
Whether codes on the invoice — item classification (HS, ISIC), Incoterms, unit codes, document type — are drawn from the exact code list Oman's rules require, not just any plausible value.
Other rules in this category
TechMate is a systems integrator, not an OTA-accredited Service Provider. We help you get ready and connect you to an accredited provider; final validation and acceptance always sit with that provider and the Tax Authority.
Back to all 291 rules