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BR-12

Missing: sum of invoice line net amounts (BT-106)

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

What the message means

Missing: sum of invoice line net amounts (BT-106).

What the issuer needs to change

Add the sum of invoice line net amounts.

Fields concerned

BT-106 sum of invoice line net amounts

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Origin

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

Original rule text

An Invoice shall have the Sum of Invoice line net amount (BT-106).

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(exists(cbc:LineExtensionAmount))

CII

Context: //ram:SpecifiedTradeSettlementHeaderMonetarySummation
Test: not((ram:LineTotalAmount))

Related rules

BR-09Missing: seller country code (BT-40)
BR-10Missing: buyer postal address (BG-8)
BR-11Missing: buyer country code (BT-55)
BR-13Missing: invoice total amount without VAT (BT-109)
BR-14Missing: invoice total amount with VAT (BT-112)
BR-15Missing: amount due for payment (BT-115)

All validation rules

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