The app enables automatic fiscalization at the moment of payment or fulfillment through direct integration with the Croatian Tax Administration system (ePorezna). You need to upload a valid, FINA-issued, certificate with its corresponding password and enter the required company details.Once an invoice is fiscalized, it can be downloaded as a PDF and sent to the customer or to accounting. The receipt includes the ZKI, JIR, and a QR code in accordance with Croatian fiscalization regulations.