The procedure used for controlling them is the SIS (Schengen Information System) which is an immediate operational cooperation system because it is a common databank that all the partner countries may consult.
管制这些人所采取的程序是申根信息系统（SIS），这是一个即时业务合作系统，因为它是所有伙伴国家都可以查阅的一个共同数据库。