An emigration and immigration examination system comprising: a server apparatus configured to store, as gate user information, biological information comprising face images about users and Machine Readable Zone, MRZ, information written in machine readable zones in passports issued to the users in association with each other; and a plurality of gate apparatuses (10-1, 10-2, 10-3) each configured to control its gate based on an emigration and immigration examination result of a user, wherein each of the plurality of gate apparatuses (10-1, 10-2, 10-3) comprises a reader configured to read out information from an Integrated Circuit, IC chip in a passport and wherein each of the plurality of gate apparatuses is further configured to capture and acquire biological information comprising face images of a user in a line, wherein a first gate apparatus of the plurality of the gate apparatuses (10-1, 10-2, 10-3) is configured to acquire biological information comprising face images about an examination target user in a line and to transmit the biological information about the examination target user to the server apparatus, wherein the server apparatus is configured to search the gate user information to determine the MRZ information corresponding to the received biological information and to transmit the determined MRZ information to each of the plurality of the gate apparatuses (10-1, 10-2, 10-3), and wherein, a second gate apparatus of the plurality of the gate apparatuses (10-1, 10-2, 10-3) is configured to control its gate so that the examination target user can pass through the gate if information is successfully read out by its reader from an IC chip in a passport issued to the examination target user by using the received MRZ information. a server apparatus configured to store, as gate user information, biological information comprising face images about users and Machine Readable Zone, MRZ, information written in machine readable zones in passports issued to the users in association with each other; and a plurality of gate apparatuses (10-1, 10-2, 10-3) each configured to control its gate based on an emigration and immigration examination result of a user, wherein each of the plurality of gate apparatuses (10-1, 10-2, 10-3) comprises a reader configured to read out information from an Integrated Circuit, IC chip in a passport and wherein each of the plurality of gate apparatuses is further configured to capture and acquire biological information comprising face images of a user in a line, wherein a first gate apparatus of the plurality of the gate apparatuses (10-1, 10-2, 10-3) is configured to acquire biological information comprising face images about an examination target user in a line and to transmit the biological information about the examination target user to the server apparatus, wherein the server apparatus is configured to search the gate user information to determine the MRZ information corresponding to the received biological information and to transmit the determined MRZ information to each of the plurality of the gate apparatuses (10-1, 10-2, 10-3), and wherein, a second gate apparatus of the plurality of the gate apparatuses (10-1, 10-2, 10-3) is configured to control its gate so that the examination target user can pass through the gate if information is successfully read out by its reader from an IC chip in a passport issued to the examination target user by using the received MRZ information.