On March 1, 2003, U.S. Citizenship and Immigration Services (USCIS) officially assumed responsibility for the immigration service functions of the federal government. The Homeland Security Act of 2002 (Pub. L. No. 107–296, 116 Stat. 2135) dismantled the former Immigration and Naturalization Service (INS) and separated the former agency into three components within the Department of Homeland Security (DHS).
We were formed to enhance the security and improve the efficiency of national immigration services by exclusively focusing on the administration of benefit applications. Immigration and Customs Enforcement (ICE) and Customs and Border Protection (CBP), components within DHS, handle immigration enforcement and border security functions.
We benefit from a legacy of more than 100 years of federal immigration and naturalization administration. Below you will find a brief chronology of our institutional history:
Researchers interested in our history, predecessor agencies and immigration and nationality law may contact the USCIS History Office by writing to firstname.lastname@example.org or calling 202-272-8370.
Last Reviewed/Updated: 05/25/2011