KSEF-004:Currency code invalid

Currency must be a valid ISO 4217 code. Use PLN for domestic invoices.

Use correct ISO 4217 currency code. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.

Yes, KSEF-004 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 KSEF-004 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues, including currency code invalid.