Official rule text
[ibr-090]-Only one project reference (ibt-011) is allowed on document level.
What this means
The invoice can include at most one project reference.
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 — freeReferences to other documents
Whether an invoice that points to another document — a purchase order, a contract, a despatch advice, an earlier invoice it corrects — includes the reference correctly and no more than once where the rules cap it.
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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