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Fatal

CII-SR-492: The gross line total may appear only once

In short

Fatal: fails the selected checks.

CII-SR-492 means the invoice totals contain the extra element GrossLineTotalAmount more than once. Fix it by keeping one, or by removing it if nothing needs it.

On this page

What it means

The totals section (SpecifiedTradeSettlementHeaderMonetarySummation) can hold a gross total of the lines in the element GrossLineTotalAmount. EN 16931 has no business term for it and uses the sum of the line amounts excluding VAT (BT-106), in LineTotalAmount, instead. The check allows GrossLineTotalAmount at most once.

Why it matters

With two values the recipient cannot tell which line total is meant, and the figures in the totals section no longer agree. This is a fatal error and the invoice is rejected.

How to fix it

Check whether anyone needs the gross line total. If not, remove GrossLineTotalAmount and keep LineTotalAmount; if so, keep one value. A repeat usually comes from the software that exported the file, so export the invoice again, or ask the supplier to fix it if it keeps happening.

The rule as published

GrossLineTotalAmount shall occur at most once in SpecifiedTradeSettlementHeaderMonetarySummation.

Where this rule applies

Rule set Version
EN 16931 (CII) 1.3.17
XRechnung 3.0 (CII) 3.0.2
NLCIUS (CII) 1.0.3.13
France CTC (CII) 1.4.0-04
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether CII-SR-492 still fails, and which other rules do.

Updated 6 November 2026