What it means
The test checks that the line's ram:SpecifiedTradeProduct, representing item information (BG-31), has no direct ram:ProductGroupID child. The warning depends on the element's presence, not its value.
Why it matters
EN 16931 does not use ram:ProductGroupID in this location. A recognised classification identifier is distinct from an internal product group.
How to fix it
Remove ram:ProductGroupID. For a genuine CPV, UNSPSC or other recognised classification code, use ram:DesignatedProductClassification/ram:ClassCode (BT-158) with the correct listID. For an internal group, retain any useful wording in ram:Description (BT-154) rather than treating it as a standard classification. Export the revised file and check it again.
Once the file is corrected, check it again for free: Validate an invoice against EN 16931
Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice
The rule as published
ProductGroupID 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 |
Check your file
Drop your e-invoice to see whether CII-SR-053 still fails, and which other rules do.
Related rules
- CII-SR-054 Remove the separate end item type code
- CII-SR-055 Remove the separate end item name
- CII-SR-056 Remove the separate area density element
- CII-SR-057 Remove the separate product use description
- CII-SR-058 Remove the separate brand name element
- CII-SR-059 Remove the separate sub-brand name element