PEPPOL-EN16931-R080fatal
How to fix PEPPOL-EN16931-R080
Only one project reference is allowed on document level.
What this rule checks
Peppol limits the invoice to a single project reference (BT-11) at the document level. Multiple project references are not supported in the Peppol BIS profile.
How to fix it
Reduce cac:ProjectReference elements at the document level to one. If multiple projects apply, reference the primary project only.
Related rules
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