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).
error: the document is invalid
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
Context
/fa:Faktura/fa:Fa
Test
pl:dec(fa:P_13_11) = 0 or fa:Adnotacje/fa:PMarzy/fa:P_PMarzy = '1'
Checked with KSeF FA(3)