BR-CO-10 - Sum of line net amounts must equal the line total
Sum of Invoice line net amount (BT-106) must equal the sum of all Invoice line net amounts (BT-131).
BR-CO-10 - Sum of line net amounts must equal the line total
Sum of Invoice line net amount (BT-106) must equal the sum of all Invoice line net amounts (BT-131).
What this rule checks
Sum of Invoice line net amount (BT-106) must equal the sum of all Invoice line net amounts (BT-131).
How to fix it
Recompute BT-106 as the exact sum of every line’s net amount; check rounding on each line.
Validate against this rule
This rule is part of EN 16931. Check your invoice with the validator that matches your format:
Related rules
BR-CO-13Total without VAT must reconcile lines, allowances and chargesBR-CO-15Total with VAT must equal total without VAT plus VATBR-CO-16Amount due must equal total with VAT minus prepaidBR-CO-11Sum of document-level allowancesBR-CO-12Sum of document-level chargesBR-CO-14Total VAT = sum of VAT breakdowns
Source: CEN EN 16931 Schematron · Last verified: 2026-07-10
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