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Warning

CII-SR-338: Leave out the packing list reference

In short

Warning: worth checking.

CII-SR-338 means the delivery details of the e-invoice refer to a packing list (PackingListReferencedDocument), which EN 16931 does not use. It is only a warning: remove it and attach the packing list if the buyer needs it.

On this page

What it means

Inside the delivery details (ApplicableHeaderTradeDelivery), there should be no PackingListReferencedDocument, a reference to the list of what was packed.

Why it matters

This is a warning, so the file is still accepted. EN 16931 has no field for a packing list, so receiving software normally ignores the reference and the buyer cannot find the list from the invoice data.

How to fix it

Remove the packing list reference from the file. If the buyer needs the list, add it as a supporting document (BG-24) with an attachment instead. Most invoicing software has an option to attach a file to the invoice. If you can choose a profile when you export, pick EN 16931 rather than Extended.

The rule as published

PackingListReferencedDocument 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-338 still fails, and which other rules do.

Updated 6 November 2026