BR-AF-01:IGIC invoice must have a matching VAT breakdown entry
Fix: Add a TaxSubtotal block with TaxCategory ID = 'L' summarising the IGIC-taxed portion of the invoice. Invoice Navigator generates the missing breakdown from the line-level detail automatically. Upload your invoice to fix this automatically.
When an invoice contains a line, document-level allowance, or document-level charge with VAT category code (BT-151, BT-95, or BT-102) equal to 'L' (IGIC — Impuesto General Indirecto Canario), the VAT breakdown (BG-23) must include at least one entry with VAT category code (BT-118) equal to 'L'.
Engine Classification
generate_breakdown_from_lines
Confidence: 90% · Applied automatically in pipeline
What is BR-AF-01?
BR-AF-01 is a fatal validation rule defined in the EN 16931 specification (ES national rules). It validates the ID must include at least one 'L' entry. The IGIC category applies to invoices issued in the Canary Islands under the Spanish special tax regime. element under TaxSubtotal > TaxCategory in the UBL invoice XML.
When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.
Target path: Schematron rule BR-AF-01: if any of cac:InvoiceLine/cac:Item/cac:ClassifiedTaxCategory/cbc:ID, cac:AllowanceCharge/cac:TaxCategory/cbc:ID or their document-level equivalents equals 'L', then cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:ID must include at least one 'L' entry. The IGIC category applies to invoices issued in the Canary Islands under the Spanish special tax regime.
Why This Error Matters
IGIC is the Canary Islands equivalent of VAT and has its own reporting requirements to the Spanish AEAT and the Canary Government. An invoice with IGIC lines but no IGIC VAT breakdown cannot be reconciled against the seller's SII / IGIC declarations and is rejected.
BR-AF-01 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.
Invoice rejected by Peppol and by Spanish AEAT / Canary IGIC reporting. Blocks buyer input tax claim and creates a reconciliation gap in the seller's SII submissions.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Error returned: BR-AF-01
- ·Specification: EN 16931
How to Fix It
Before / After
<cac:InvoiceLine>
<cac:Item>
<cac:ClassifiedTaxCategory>
<cbc:ID>L</cbc:ID>
<cbc:Percent>7</cbc:Percent>
</cac:ClassifiedTaxCategory>
</cac:Item>
</cac:InvoiceLine>
<cac:TaxTotal>
<!-- Only 'S' subtotals present, no 'L' block -->
</cac:TaxTotal><cac:TaxTotal>
<cac:TaxSubtotal>
<cbc:TaxableAmount currencyID="EUR">1000.00</cbc:TaxableAmount>
<cbc:TaxAmount currencyID="EUR">70.00</cbc:TaxAmount>
<cac:TaxCategory>
<cbc:ID>L</cbc:ID>
<cbc:Percent>7</cbc:Percent>
<cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>Technical Reference
Schematron rule BR-AF-01: if any of cac:InvoiceLine/cac:Item/cac:ClassifiedTaxCategory/cbc:ID, cac:AllowanceCharge/cac:TaxCategory/cbc:ID or their document-level equivalents equals 'L', then cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:ID must include at least one 'L' entry. The IGIC category applies to invoices issued in the Canary Islands under the Spanish special tax regime.Common Causes
- ·ERP treats IGIC as regular VAT and outputs only an S breakdown
- ·Line-level IGIC category set but breakdown generator hardcoded to standard categories
- ·Mainland Spain configuration reused for a Canary Islands legal entity
- ·SII connector applied IGIC classification post-export, missing the UBL breakdown update
- ·Manual XML authoring that copied a mainland template
Seeing this in production? The API handles BR-AF-01 automatically. See the fix response →
ERP-Specific Causes
Commonly Seen In
Frequently Asked Questions
Impuesto General Indirecto Canario — the general indirect tax of the Canary Islands. It replaces VAT (IVA) inside the Canary Islands and uses VAT category code L in EN 16931.
Zero rate (0%), reduced (3%), general (7%), increased (9.5%) and special (15%). Some services are exempt. BR-AF-01 only requires the breakdown exists — BR-AF-05 checks the rate value.
Yes. When line-level IGIC items exist, Invoice Navigator generates the missing L TaxSubtotal from the line detail with 0.90 confidence.
No. Mainland Spain uses IVA (category S). BR-AF-01 only applies when at least one item is classified L (IGIC).
BR-AF-01 requires a matching breakdown entry. BR-AF-02/03/04 additionally require the seller VAT identifier when IGIC appears on a line, a document allowance, or a document charge respectively.
Related Errors
BR-AF-02When invoice lines use the IGIC VAT category, the seller must have a proper...BR-AF-03When document level allowances use the IGIC VAT category, the seller must...BR-AF-04When document level charges use the IGIC VAT category, the seller must have...BR-AF-05When an invoice line uses the IGIC VAT category, the VAT rate must be 0% or...BR-AG-01IPSI VAT breakdown required when IPSI used on linesBR-S-08Standard rated VAT amount doesn't add upRelated Content
Last updated: 5 August 2026
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