🇵🇱Poland E-Invoice Errors
Polish KSeF validation errors (BR-PL-xx codes) for Poland's upcoming mandatory B2B e-invoicing via KSeF.
12 errors documented
KSEF-010countryKSeFKSeF XML schema validation failed
Invoice XML must conform exactly to the FA schema version (FA/1 or FA/2). Even minor deviations cause rejection.
KSEF-009countryKSeFBank account not on VAT white list
For split payment (podzielona płatność) invoices, the seller bank account must be registered on the VAT white list (biała lista VAT).
KSEF-005countryKSeFVAT rate invalid for item type
Polish VAT rates (23%, 8%, 5%, 0%, ZW-exempt, NP-not subject) must match item classification rules per Polish VAT law and PKWiU classification.
KSEF-006countryKSeFUnit code not recognized
Unit of measure must be from Polish classification. Common codes include szt. (piece), kg, m, l, usł. (service).
KSEF-007countryKSeFDate format invalid
All dates in KSeF invoices must be in YYYY-MM-DD (ISO 8601) format. Other formats are rejected.
KSEF-008countryKSeFGTU code missing
Certain goods/services require GTU (Grupy Towarów i Usług) classification codes. Required for alcohol (GTU_01), fuel (GTU_02), heating oil (GTU_03), tobacco (GTU_04), and other specific categories.
BR-PL-01countrypeppol-bis-3Polish NIP number required
Polish invoices must include the NIP (tax identification number) for seller and buyer.
BR-PL-02countryksefInvalid KSeF invoice type
Polish KSeF invoices must use valid invoice type codes.
KSEF-001countryKSeFNIP validation failed
Polish NIP (tax identification number) must be 10 digits with valid checksum. Both seller and buyer NIP are required for B2B invoices. Leading zeros are significant.
KSEF-002countryKSeFInvoice date too old for KSeF
Invoice issue date cannot be more than 30 days before KSeF submission date. Older invoices will be rejected by the system.
KSEF-003countryKSeFInvoice number sequence gap
Invoice numbers must be sequential without gaps within each calendar year. KSeF rejects invoices with numbering gaps or duplicates.
KSEF-004countryKSeFCurrency code invalid
Currency must be a valid ISO 4217 code. Use PLN for domestic invoices.
Fix Poland Errors Automatically
Upload your invoice and our fixer will resolve common Poland e-invoicing issues.