B 1 B2 business, sightseeing or visiting relatives visa B 1 is a short-term business visitor, B2 is a short-term travel and visiting relatives. Holders of these two visas are absolutely not allowed to work in the United States.
C 1 C2 C3 transit passenger visa C 1 is issued to passengers who plan to transit the United States to other countries, that is, such passengers only pass through the United States and have no intention of staying. C2 to those who transit to United Nations Headquarters. C3 is distributed to foreign government officials and their families, or private employees for transit through the United States.
D Voyager Visa Class D visas are issued to crew members of international flights or shipping companies flying to the United States. In principle, holders of such visas are not allowed to engage in business, sightseeing or visiting relatives in the United States. This visa is usually applied by an airline or shipping company recognized by the US government on behalf of its employees.
E 1 E2 visa for treaty merchants and treaty investors E 1 is issued to "treaty merchants", that is, visas for employees of foreign companies sent to their branches or offices in the United States. E2 is issued to "treaty investors", which is the so-called business investment visa. The so-called treaty here refers to the trade treaty between the U.S. government and foreign governments, so the applicant's E 1 and E2 countries must be with the United States.
F 1 F2 Visa for international students and their spouses and young children F 1 Visa for international students and F2 Visa for their spouses and young children.
G 1 G2 G3 G4 G5 Visa for Employees of International Organizations and Their Families G visas are issued to officials or employees of some international organizations. In addition, representatives appointed by foreign governments to these organizations and their families or private employees are also included in this category. Such international organizations approved by the US government include United Nations Headquarters, UNESCO, World Health Organization, International Labour Organization, International Monetary Fund, World Meteorological Organization, International Atomic Energy Association and International Civil Aviation Organization, etc.
H 1 H2 H3 Short-term Worker Visa Class H answer sheet is a visa that allows short-term employment in the United States. H 1 to short-term workers with special skills, such as artists, technicians, entertainers, scholars, chefs, etc. H2 is given to workers who go to the United States to engage in seasonal labor. Although the application does not require excellent ability, the employer must obtain a certificate from the labor bureau to prove that it is impossible to invite American citizens to engage in this kind of work and there will be no harm.
K 1 K2 visas for the fiance (wife) and children of American citizens are issued to the fiance (wife) of American citizens. K2 is issued to minor children who have obtained the K 1 visa (proof of relationship with the beneficiary of the K 1 visa is required when applying).
L 1 L2 visas for employees of multinational corporations and their families are issued to employees of foreign multinational corporations stationed in the United States. At the time of application, the company should request that the spouse and children of those who have obtained L 1 visas can obtain L2 visas at the same time.