By decision of the Operational Headquarters, which includes representatives of the Sofia Regional Health Inspectorate (SRHI), DG Border Police and Sofia Airport EAD, each flight arriving at Sofia Airport is handled separately. For passenger convenience and to avoid crowding, the data collection form compulsory for all arriving passengers is provided to the airlines so that it can be distributed and completed on board. Arriving passengers are subject to mandatory thermal camera control and body temperature measurement using contactless thermometers.