IBR-094

PINT AE validation rule for UAE e-invoices

What it means

The invoice may state the contract reference only once.

How to fix it

Give a single contract reference.

The official wording of this rule is in the PINT AE specification published by OpenPeppol.

In Alya Books

Alya Books builds the invoice XML so this holds; the official rule files confirm it on our sample documents.

بالعربية

See this rule in the interactive reference, or pre-check an invoice file.

Explanations are Alya Books's own. The PINT AE specification is published and owned by OpenPeppol. This page is a reading aid, not legal or tax advice. Checked against Schematron release 2026.5.