Official rule text
[ibr-077]-Tax accounting currency code (ibt-006) MUST be different from invoice currency code (ibt-005) when provided.
What this means
If a separate tax-accounting currency is given (used when the invoice currency is not the tax authority's reporting currency), it must be different from the invoice's own currency - giving the same currency twice is meaningless.
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 — freeInvoice identifiers & type
Whether the invoice's own core facts — its number, issue date, currency, UUID, and Oman-specific transaction-type marker — are present, correctly formatted, and internally consistent.
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.
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