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Warning

CII-SR-342: Leave out the creditor reference issuer identifier

In short

Warning: worth checking.

CII-SR-342 means the settlement section of the e-invoice contains an identifier for who issued the creditor reference (CreditorReferenceIssuerID), which EN 16931 does not use. It is only a warning: remove it and keep the creditor identifier if you need one.

On this page

What it means

The settlement section (ApplicableHeaderTradeSettlement) should not contain a CreditorReferenceIssuerID, the identifier of the party that issued a creditor reference. The bank assigned creditor identifier (BT-90) used for direct debit is a separate element and is allowed.

Why it matters

This is a warning, so the file is still accepted. EN 16931 has no field for the issuer of a creditor reference, so receiving software normally ignores it. Nothing the buyer pays or books depends on it.

How to fix it

Remove the issuer identifier from the settlement section. If you collect payment by direct debit, check that the creditor identifier is still filled in under the payment details in your invoicing software. Fixing it is optional and mainly keeps the check clean. If the warning comes back, report it to the vendor of your invoicing software.

The rule as published

CreditorReferenceIssuerID should not be present

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-342 still fails, and which other rules do.

Updated 6 November 2026