What it means
The test counts direct ram:ID children of ram:InvoicerTradeParty in the header settlement. Zero or one passes; two or more fail. It does not count ram:GlobalID or identifiers inside other elements.
Why it matters
The Extended profile defines ram:ID as a single optional field for the invoicer, rather than a repeated field.
How to fix it
Keep the ram:ID that identifies the invoicer for this invoice and remove extra ram:ID elements from ram:InvoicerTradeParty. If you do not need this identifier, this rule allows you to omit it. Do not change profiles just to remove the repeated field. Export the corrected file and check it again.
Once the file is corrected, check it again for free: Validate a ZUGFeRD invoice
Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice Beta
The rule as published
Element 'ram:ID' may occur at maximum 1 times. Where this rule applies
| Rule set | Version |
|---|---|
| Factur-X 1.09 EXTENDED | 1.0.9-2 |
| ZUGFeRD 2.5 EXTENDED | 2.5.2 |
Check your file
Drop your e-invoice to see whether FX-SCH-A-000886 still fails, and which other rules do.
Related rules
- FX-SCH-A-000887 The invoicer must have exactly one name
- FX-SCH-A-000888 The invoicer can have at most one role code
- FX-SCH-A-000889 The invoicer can have at most one electronic address block
- FX-SCH-A-000890 The invoicer can have at most one tax registration
- FX-SCH-A-000891 The invoicer's contact email needs exactly one address
- FX-SCH-A-000892 The invoicer's contact fax entry needs exactly one number