IV-SYN-02
Invoice format is not supported
ErrorInvoiceVerify
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What it means
The file is not recognised as a supported electronic invoice. It must be a UBL 2.1 invoice or credit note, or a UN/CEFACT CII invoice, with the correct format declaration.
Typical causes
- A PDF or another XML format was uploaded
- The export uses the wrong document declaration
How to fix it
- Select UBL 2.1 or CII in your export settings
- Ask your provider to check the root element and namespace declaration, then export again
What the rule says (technical)
The root element must be a UBL 2.1 Invoice or CreditNote, or a UN/CEFACT CrossIndustryInvoice, in the correct namespace.
Check the root element and its xmlns declaration. UBL invoices use urn:oasis:names:specification:ubl:schema:xsd:Invoice-2; CII uses urn:un:unece:uncefact:data:standard:CrossIndustryInvoice:100.