`FA3-ADNOTACJE-MISSING`

KSeF FA(3) · validation rule

KSeF FA(3)Error

The FA(3) invoice has no Fa/Adnotacje block. The annotation block (P_16 cash accounting, P_17 self-billing, P_18 reverse charge, P_18A split payment, Zwolnienie, NoweSrodkiTransportu, P_23, PMarzy) is mandatory; each flag must be set explicitly to 1 or 2 (or the 'N' variants).

Field: extensions.fa3.adnotacje (FA3 Fa/Adnotacje)
Rule set: KSeF FA(3)
Rule-set version: KSeF FA(3) schema 1-0E XSD · in force since 2026-09-07
KSeF FA(2) schema 1-0E XSD · in force since 2026-09-07 · Rule-set changelog
Who has to fix it: The sender

This is a property of the file you received, so it cannot be corrected on your side without changing the document — ask the supplier to reissue it.

Check your own invoice

Drop the file that failed. We parse it, run the official rule sets against it and list every finding with a fix — 20 invoices per day, no key, nothing stored.

Open the live demo

Same explanation over the API: GET /v1/rules/FA3-ADNOTACJE-MISSING?lang=en