U.S. CITIZENSHIP AND IMMIGRATION SERVICE
U.S. CITIZENSHIP AND IMMIGRATION SERVICE U.S. Citizenship and Immigration Service. A unit in the U.S. Department of Homeland Security responsible for enforcing the nation’s immigration laws. ? Its functions were transferred from the former Immigration and Naturalization Service of the U.S. Department of Justice in 2003. ¡ª Abbr. USCIS. What is the legal translation of …