Mobile application of the HM KGIR Customer Service System in the Ministry of Defense, in organizations under the direct authority of the Minister of Defense, and in the Hungarian Defense Forces, contracted soldiers serving with applications, volunteer reserve soldiers and their employers, , civil servant, military, civil servant, and employee, after downloading the application, provides customer service support and self-service functionality for personnel, military administrative and financial procedures, matters that they may initiate. The employer provides the data subject with the username and password required for the application. Before logging in to the mobile application it is necessary to log in to www.ugyfelszolgalat.mil.hu at least once (password change can only be done on the website). After logging in to the application (entering username and password), the application offers the option of setting a PIN code, which must be provided to Clients every time they log in or launch the application. You can skip this step, but you can only log in without a PIN by entering your username and password. You can change your PIN at any time by providing confirmation of your current PIN, your new PIN, and your new PIN. If you have any questions regarding the application, please do not hesitate to contact our Customer Service.