G visa
A G visa is a category of official visas issued to diplomats, government officials, and international organization employees who are visiting the United States temporarily for a governmental purpose. G visas may also be issued to immediate family members of the principal visa holder. G visas are issued by the United States Department of State. G visas are not issued to heads of state, who are instead granted an A-1 visa. Types There are five visas in the G visa category: G-1 The G-1 visa is for permanent members of a diplomatic mission from a recognized government, who are visiting a specific international organization (and for eligible family members). G-2 The G-2 visa is for official representatives of a recognized government, who are attending meetings at a specific international organization (and for eligible family members). G-3 The G-3 visa is for representatives of a government not officially recognized by the United States (and for eligible family members of the principal visa holder). G-4 The G-4 visa is for persons who have been appointed to a position at an international organization in the United States, including the United Nations (and for eligible family members). G-5 The G-5 visa is for employees