errorEN 16931

BR-S-07:When using this VAT category, the VAT rate must be 0 (zero). This category...

When using this VAT category, the VAT rate must be 0 (zero). This category does not have a positive tax rate.

Severity
Fatal
Rule set
EN 16931
Country
All EU
Fix type
INPUT REQUIRED
Confidence
90%
Category
tax

Engine Classification

Business data required · Explicit input workflow · No assumptions made

Required input: VAT rate (%)

What is BR-S-07?

BR-S-07 is a fatal validation rule defined in the EN 16931 specification. It validates the Percent element under TaxCategory in the UBL invoice XML.

When this rule fires, the invoice is non-compliant and will be rejected by Peppol access points and national validation services. The sending system receives a rejection response and the invoice does not reach the buyer.

Target path: //cac:AllowanceCharge[cbc:ChargeIndicator='true']/cac:TaxCategory[cbc:ID='S']/cbc:Percent

Why This Error Matters

Invoice will be rejected. Standard rated VAT (category S) requires seller VAT registration, positive VAT rate, and correct tax calculations. Missing elements prevent tax compliance verification.

BR-S-07 is a hard failure. Invoices that trigger this rule are rejected at the access point and never reach the recipient. In Peppol networks, this means your sending system receives an MLR (Message Level Response) with a rejection status. The invoice must be corrected and re-sent, adding delay to your payment cycle.

Validator Behavior

  • ·Causes invoice rejection
  • ·Error returned: BR-S-07
  • ·Specification: EN 16931

Before / After

Failing XML
<Invoice>
  <cac:AllowanceCharge>INVALID_CODE</cac:AllowanceCharge>
</Invoice>
Corrected XML
<Invoice>
  <cac:AllowanceCharge>VALID_CODE</cac:AllowanceCharge>
</Invoice>

Technical Reference

XPath//cac:AllowanceCharge[cbc:ChargeIndicator='true']/cac:TaxCategory[cbc:ID='S']/cbc:Percent
SpecEN 16931
Operationset_value
StrategySet standard VAT rate for document-level charge (requires user input)

Common Causes

  • ·Standard rated charge has zero or missing VAT rate
  • ·BT-103 must be greater than 0 for category S charge
  • ·Document charge S category missing positive rate
  • ·Standard rate charge needs VAT percentage
  • ·Charge VAT rate not set for standard category

Seeing this in production? The API handles BR-S-07 automatically. See the fix response →

See Also

Related Errors

Last updated: 27 February 2026

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Handle BR-S-07 Automatically in Your Pipeline

The compliance engine auto-remediates this error with controlled safety policies and evidence pack generation.