# XV-PL-36

Source: https://xmlvalid.com/rules/XV-PL-36

> Line …: … (…) is not the quantity times the unit price, less any discount (P_10), which is … (FA(3) information sheet, P_11).

- Level: warning
- 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/fa:FaWiersz[fa:P_8B and (fa:P_9A and fa:P_11 or fa:P_9B and fa:P_11A)]`
- Test: `pl:near(pl:dec($value), $expected, 0.01) or pl:near(pl:dec($value), pl:dec(fa:P_8B) * (pl:dec($price) - pl:dec(fa:P_10)), 0.01)`

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