How to fix aligned-ibrp-s-09 in UAE e-invoicing
What is aligned-ibrp-s-09?
aligned-ibrp-s-09 is a fatal validation rule in the UAE's Peppol PINT-AE e-invoicing specification — one of the UAE-specific rules. It is checked against the VAT totals and belongs to the VAT categories & rates rule group. An e-invoice that fails aligned-ibrp-s-09 is rejected by the Accredited Service Provider gateway before it reaches the FTA.
What the official rule says
Where it applies
This rule is checked against the VAT totals of your UBL 2.1 invoice:
/*/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'S'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']
Business terms referenced
| Term ID | Field | Other rules |
|---|---|---|
| IBT-117 | VAT category tax amount | view → |
| IBG-23 | VAT breakdown | view → |
| IBT-118 | VAT category code | view → |
| IBT-116 | VAT category taxable amount | view → |
| IBT-119 | VAT category rate | view → |
Field names are derived automatically from the official rule corpus.
Technical test condition (Schematron)
(cbc:Percent castable as xs:decimal and ../cbc:TaxableAmount castable as xs:decimal and ../cbc:TaxAmount castable as xs:decimal) and u:slack(abs(xs:decimal(../cbc:TaxAmount)) , round((abs(xs:decimal(../cbc:TaxableAmount)) * (xs:decimal(cbc:Percent) div 100)) * 10 * 10) div 100 ,0.02 )
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Related rules
Rule text sourced from the official OpenPeppol PINT-AE validation artifacts (version 2026.5), refreshed weekly. Explanations are qmetrics' own guidance, not official FTA/MoF text.