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BR-CO-10

The sum of line net amounts (BT-106) does not equal the total of the individual lines (BT-131)

Validation rule of EN 16931 (CEN, rule set 1.3.16) · Level: Error

What the message means

The sum of line net amounts (BT-106) does not equal the total of the individual lines (BT-131).

What the issuer needs to change

Have the sum recalculated; usually a line is rounded or missing from the total.

Fields concerned

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Origin

Rule set
EN 16931 (CEN, rule set 1.3.16)
Syntax
CII, UBL
Level
Error

Original rule text

Sum of Invoice line net amount (BT-106) = Σ Invoice line net amount (BT-131).

Source: CEN/TC 434, EN 16931 validation rules 1.3.16, European Union Public Licence 1.2

Technical details for IT

UBL

Context: cac:LegalMonetaryTotal
Test: not((xs:decimal(cbc:LineExtensionAmount) = xs:decimal(round(sum(//(cac:InvoiceLine|cac:CreditNoteLine)/xs:decimal(cbc:LineExtensionAmount)) * 10 * 10) div 100)))

CII

Context: //ram:SpecifiedTradeSettlementHeaderMonetarySummation
Test: not(xs:decimal(ram:LineTotalAmount) = round(xs:decimal(sum(../../ram:IncludedSupplyChainTradeLineItem/ram:SpecifiedLineTradeSettlement/ram:SpecifiedTradeSettlementLineMonetarySummation/ram:LineTotalAmount)) * xs:decimal(100)) div xs:decimal(100))

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Technical explanation by robin.vision, not tax or legal advice. Rules as of 31 August 2026 (KoSIT validator configuration).