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Comarch

Comarch Optima

Używasz Optima? Waliduj faktury dla KSeF. Sprawdź NIP i kody GTU przed wysyłką.

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Supported E-Invoice Formats

FormatSupport Level
KSeF FA(2)Native Support

Common Validation Errors

These errors are frequently encountered when validating e-invoices from Comarch Optima. Click on any error to see the fix.

KSEF-001Common

NIP validation failed

Standard NIP validation issues. Verify 10 digits with checksum.

View fix
KSEF-008Common

GTU code missing

GTU codes required for certain product types (fuel, tobacco, electronics, etc.).

View fix

About Comarch Optima

Comarch Optima to popularny system ERP dla MŚP z infrastrukturą KSeF od Comarch.

Validate Your Invoice

Export your invoice from Comarch Optima and validate it against Peppol and EN16931 rules.

Validate Free

How to Validate

  1. 1Export your invoice as UBL or XML from Comarch Optima
  2. 2Upload the file to our validator
  3. 3Review errors and warnings with suggested fixes
  4. 4Fix issues in Comarch Optima and re-export

Resources

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