Logging into the National e-Invoice System is possible using:

• Certificate – it is possible to specify a qualified certificate or a KSeF certificate
• Token – possible only until 31.12.2026, after this date the use of tokens will be disabled

Authentication via certificate

For correct authentication using certificates, settings must be entered in the Comarch ERP Enterprise environment and in the Comarch e-Invoice converter.

Certificate settings in the Comarch e-Invoice converter should be entered according to the instructions contained in the article Manual: Comarch e-Invoice Converter.

In Comarch ERP Enterprise, it is possible to set a default certificate for the organization. These settings are entered in the Customizing application -> KSeF function according to the article Customizing: KSeF.

In addition to the default certificate, it is possible to assign a certificate to a partner in the Partners application. To do this, enter the settings for the selected partner according to the article KSeF settings in Comarch ERP Enterprise, chapter Settings in the Partners application.

Authentication via token

Token settings in the Comarch e-Invoice converter should be entered according to the article Manual: Comarch e-Invoice Converter.