KSeF and FA(3) reference tables
Short reference pages built from the official schema and documentation. Each names its source and the day it was read.
- KSeF XML to Excel: the workbook, column by column
- KSeF invoice XML to PDF in English
- FA(3) invoice fields in English
- P_12 tax rate codes in FA(3)
- P_13_x and P_14_x: the VAT summary fields of FA(3)
- KSeF number: format and checksum check
- KSeF QR code: how the verification link is built
- RodzajFaktury: the seven FA(3) invoice types
- FormaPlatnosci: payment method codes in FA(3)
- Adnotacje: annotation flags P_16 to P_23 in FA(3)
- GTU and Procedura codes in FA(3)
- Podmiot3 role codes in FA(3)
- KSeF mandatory dates
- The KSeF export package and _metadata.json
- Faktury KSeF XML do Excela
- Hurtowa konwersja faktur KSeF XML do PDF
- Faktura KSeF po angielsku
- Numer KSeF: budowa i sprawdzenie sumy kontrolnej
- Polish invoice terms in English
- KSeF invoice hash and verification link calculator
- KSeF invoice XML: size limits and a pre-send check
- KSeF error 440: duplicate invoice
- KSeF offline modes and sending deadlines
- KSeF environments: test, demo and production
- FA(3) required fields
- FA(3) field lengths and number formats
- An FA(3) invoice XML, line by line
- KSeF XML to CSV
- KSeF number checker widget
- Plik XML faktury: limity KSeF i sprawdzenie przed wysyłką
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