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Warning

CII-SR-474: A line can carry only one invoiced object identifier

In short

Warning: worth checking.

CII-SR-474 means an invoice line has more than one invoiced object identifier, a reference with type code 130. It is only a warning and the invoice is still accepted, but each line should carry a single identifier.

On this page

What it means

An invoice line (BG-25) may name the thing it relates to, such as a meter point, a telephone number or a subscription. This is the invoiced object identifier (BT-128), written in the file as a document reference with type code 130. The check finds lines that have more than one such reference.

Why it matters

The format has one place per line for this reference, so with several the recipient cannot tell which one is meant. Because this is a warning, the invoice is still accepted and processed, but a stricter recipient may ask you to correct it.

How to fix it

On the line named in the check result, keep the one identifier the buyer needs and delete the others. If the rest still matter, put them in the line description or the line note instead. It is worth fixing straight away if the buyer uses that reference to match the line to a meter or subscription, and otherwise the next time you update your invoice template.

The rule as published

An invoice line shall not contain more than one AdditionalReferencedDocument with TypeCode 130.

Where this rule applies

Rule set Version
EN 16931 (CII) 1.3.17
XRechnung 3.0 (CII) 3.0.2
Factur-X 1.09 EN 16931 1.0.9-2
ZUGFeRD 2.5 EN 16931 2.5.2
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-474 still fails, and which other rules do.

Updated 6 November 2026