Naturalization Certificate

Form N-550 or N-570) CUSC is a document issued by the US Government as proof of a person having obtained US citizenship through naturalization, which is the legal process of obtaining a new nationality.

The Certificate of US Naturalization has been issued since October 1, 1991 by the USCIS, and on or before September 30, 1991 it was issued by the Federal Courts and particular State Courts.

The United States Certificate of Naturalization is proof of an individual’s U.S. citizenship through naturalization.