Because Public Payments Administration prohibits the generation and use of UPN-QR codes by any unapthorized party, you must be authorized in order to use this application and publish the content that it generates.
+Because The Bank Association in Slovenia prohibits the printing and use of UPN-QR codes on bills by any unauthorized party, you must be authorized in order to use this application to generate a QR code and print it. You can use this API freely to create QR codes and send them in a digital form.