XV-FI-13

The business ID (Y-tunnus) '…' has no valid check digit.

warning: reported, still valid

What the rule checks

As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.

Finvoice 3.0 calculation and payment rules Implementation guidelines 2.6 (16 September 2025)

Context

/Finvoice/SellerPartyDetails | /Finvoice/BuyerPartyDetails

Test

not(matches($id, '^[0-9]{7}-[0-9]$')) or fi:ytunnus($id)

Checked with Finvoice 3.0

Check your document

Choose the schema in the validator: it checks the structure first, then every business rule, and points at the line of each failure. It runs in your browser; nothing is uploaded.

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Related rules

XV-FI-10 The IBAN '…' is not valid: its check digits do not match, or a Finnish IBAN is not 18 characters (Finvoice 3.0...
XV-FI-11 A secure invoice (…) needs InvoiceClassification/ClassificationCode; unless agreed otherwise it may be the sam...
XV-FI-12 OriginCode Cancel may be used only in a credit note (INV02), not with … (Finvoice 3.0 guidelines, 10.7).
XV-FI-14 The Finnish VAT number '…' is not FI followed by the eight digits of a valid business ID.
XV-FI-15 EpiInstructedAmount (…) is not InvoiceTotalVatIncludedAmount - InvoicePaidAmount + InvoiceTotalRoundoffAmount...

All rules of this set →