# XV-PL-02

Source: https://xmlvalid.com/rules/XV-PL-02

> KSeF rejects an invoice with a discouraged Unicode character: U+… in … (KSeF 2.0, weryfikacja faktury).

- Level: error
- Rule sets: KSeF and FA(3) checks KSeF 2.0 invoice verification (9 April 2026), FA(3) information sheet (August 2026)
- Context: `fa:Faktura//*[not(*)]`
- Test: `empty($bad)`

Validate a document against these rules: https://xmlvalid.com/validate