errorPOLksef

BR-PL-02:Invalid KSeF invoice type

Polish KSeF invoices must use valid invoice type codes.

Fix this in your source system

MANUAL

KSeF (Polish National e-Invoice System) only accepts specific invoice type codes. The invoice type must be changed in your source system to a KSeF-compatible code before submission.

See the step-by-step instructions below to fix this error manually.

Why This Error Matters

KSeF validates invoice type for proper processing and archival.

How to Fix It

1

Check type

FA for standard invoice, KOR for correction

2

Set correctly

In KodFormularza header

3

Match content

Correction must reference original

Code Example

<Naglowek>
  <KodFormularza kodSystemowy="FA (2)">FA</KodFormularza>
</Naglowek>

Technical Details

XPath: /Faktura/Naglowek/KodFormularza

Common Causes

  • Wrong type code
  • Using old version
  • Type mismatch with content

Commonly Seen In

Polish KSeF systems

Frequently Asked Questions

Polish KSeF invoices must use valid invoice type codes.
Use correct KSeF invoice type code. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, BR-PL-02 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.
Many instances of BR-PL-02 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including invalid ksef invoice type.
BR-PL-02 is commonly seen in exports from Polish KSeF systems. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Related Errors

BR-PL-01

Polish NIP number required

Last updated: 18 January 2026

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