G-1 International Visas 

To be issued a G-1 visa you must be a principal resident representative of the organization, their immediate family and staff of any rank including clerical and custodial. 

To be issued a G-2 visa you must be another type of accredited representative (includes family and clerical staff), or, a temporary delegation. 

To be issued a G-3 visa you must be a member of an accredited organization from a government without de jure recognition from the U.S. 

To be issued a G-4 visa you must be an officer or employee of an international organization and their immediate family. This includes personnel of any rank on the payroll. 

To be issued a G-5 visa you must be an attendant, servants or personal employee of G-1 - G-4.