A Series (A-1, A-2, A-3): these visas are given to officials of foreign governments, immediate family members and support staff. Only those without diplomatic immunity, as verified on the visa, are allowed.
E-1 Treaty Trader and E-2 Treaty Investor: this visa is essentially the same as an H-1 or L-1; the title refers to the foreign country’s status with the United States.
G Series (G-1, G-2, G-3, G-4, G-5): these visas are given to employees of international organizations that are located in the United States. Some examples include the United Nations, Red Cross, World Bank, UNICEF and the International Monetary Fund. Verification that the applicant does not have diplomatic immunity must be obtained from the applicant’s employer and/or by the viewing the applicant’s passport.