erroren16931
BR-O-09:Out of scope must be only category
If O is used, only O category allowed on invoice.
We can fix this automatically
AUTO-FIX1. For exempt/zero-rate categories, set TaxAmount to 0.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice will be rejected. "Not subject to VAT" (category O) has strict rules: no VAT identifiers allowed, no other categories permitted, and exemption reason required. Non-compliance prevents validation.
How to Fix It
1
Check all categories
Look for mix of O with S, Z, E, etc.
2
Separate invoices
O cannot mix with other VAT categories
Technical Details
XPath: /Invoice - check all TaxCategory valuesCommon Causes
- Category O breakdown shows non-zero tax amount
- BT-117 in O breakdown must be 0.00
- "Not subject to VAT" cannot have tax amount
- cbc:TaxAmount contains value instead of zero for O
- Tax calculation applied to out-of-scope category in error
Frequently Asked Questions
If O is used, only O category allowed on invoice.
Use separate invoices for different VAT treatments. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-O-09 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-O-09 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including out of scope must be only category.
See Also
Related Errors
Last updated: 16 January 2026
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