You can search the invoices using the BackOffice interface:
Loans > Search > Invoices.
Fill in the search parameters > Search.
Click the Invoice ID to access the invoice information.
The loan contract invoice detail form includes the following details:
Penalty grace days and grace amount,
Debt status,
Penalty calculated on each overdue invoice line,
Total receivable calculated.
Click on the Calculated penalty value to find more information about the penalty calculation details.