United States Immigration and Naturalization Service

The United States Immigration and Naturalization Service (INS) was a United States federal government agency under the United States Department of Labor from 1933 to 1940 and under the United States Department of Justice from 1940 to 2003. Referred to by some as former INS and by others as legacy INS, the agency ceased to exist under that name on March 1, 2003, when most of its functions were transferred to three new entities – United States Citizenship and Immigration Services (USCIS), U.S. Immigration and Customs Enforcement (ICE), and U.S. Customs and Border Protection (CBP) – within the newly created United States Department of Homeland Security (DHS), as part of a major government reorganization following the September 11 attacks of 2001.

Source: Wikipedia — United States Immigration and Naturalization Service (CC BY-SA 4.0)