# XV-PL-26

Source: https://xmlvalid.com/rules/XV-PL-26

> An invoice with sales under the margin scheme (P_13_11 …) must carry the margin scheme note: P_PMarzy 1 with its kind (VAT Act, art. 106e ust. 1 pkt 20 to 22; FA(3) information sheet, P_PMarzy).

- 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: `pl:dec(fa:P_13_11) = 0 or fa:Adnotacje/fa:PMarzy/fa:P_PMarzy = '1'`

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