The U.S. Citizenship and Immigration Services replaced the benefits section of the former Immigration and Naturalization Service ("INS").

Stands for "U.S. Citizenship and Immigration Services." The current immigration benefits processing and enforcement entity of the United States.

U.S. Citizenship and Immigration Services - Formerly INS, a government agency responsible for the admission, control and status of all aliens in the United States. The immigration regulations are contained in Title 8 of the Code of Federal Regulations. See also ICE - Immigration and Customs Enforcement.

U.S. Citizenship and Immigration Service, a federal agency under the Justice Department that oversees all visas issued to allow entry into the U.S.