# XV-PL-16

Source: https://xmlvalid.com/rules/XV-PL-16

> … belong to a corrective invoice (KOR, KOR_ZAL, KOR_ROZ), not to … (FA(3) information sheet, PrzyczynaKorekty).

- 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/fa:Fa`
- Test: `$correction or empty($correctionFields)`

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