PL-R-003
Error Guide

🇵🇱 PL-R-003: KSeF submission required in Poland

ErrorMandatoryManual Fix

Polish invoices must be submitted to KSeF (Krajowy System e-Faktur).

Quick Facts
Severity
Error (rejection)
Ruleset
ubl-2.1
Mandate
B2B Mandatory
Fix Type
Manual

Why This Matters in Poland

Poland requires e-invoicing using KSeF XML format. Invoices with this error will be rejected. They cannot be processed for Poland compliance.

Invoice Navigator covers 134 KSeF FA(2) rules for Poland. Auto-remediates 78% of top rejection errors.

How to Fix PL-R-003

  1. 1
    Submit to KSeF
    Via KSeF API or portal
  2. 2
    Get reference
    KSeF assigns unique number
  3. 3
    Include reference
    Add to invoice for recipients

Poland E-Invoicing Requirements

Phase
Status
Scope
KSeF voluntary
Live (Jan 2022)
All VAT payers (opt-in)
B2B mandatory
Live (Feb 2026)
All Polish VAT payers
B2G
Live (Feb 2026)
Included in general KSeF mandate

Common Causes

  • •Not submitted to KSeF
  • •Missing KSeF reference

Fix PL-R-003 automatically

Upload your invoice and let Invoice Navigator auto-remediate this error.

Try the ValidatorPoland Guide →
Error
Full Documentation
Country
Poland Guide
Browse
All Poland Errors