Method and user equipment for blocking network access according to application

A user equipment (UE) for barring a network access, the UE comprising:

• a transceiver;
• a processor configured to control the transceiver and configured to perform:
• receiving application-related attribute information at home public land mobile network (H-PLMN);
• receiving application specific congestion control for data communication (ACDC) barring information at the H-PLMN or a visited public land mobile network (V-PLMN);
• if there exists information related to an executed application in the application-related attribute information, determining a category of the executed application based on the application-related attribute information;
• and
• if there exists a specific ACDC barring information to match with the determined category in the ACDC barring information, performing an ACDC barring check based on the matched ACDC barring information,
• wherein according to the ACDC barring check, an network access is barred or allowed per an application.