Official rule text
[IBR-001-OM] - Invoice transaction type (BTOM-001) must be a 20-character string consisting only of '1' and '0'.
What this means
Same check as above: the 'transaction type' field must be exactly 20 characters, made only of 1s and 0s.
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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