Your Immigration Link to the World

Form N-600 is the application you must fill out in order to receive a Certificate of Citizenship. 

The form may be filed by any person claiming to have acquired (at birth) or derived (after birth) US Citizenship through a US Citizen parent; or by any person who was born a US Citizen outside the United States or who has fulfilled the requirements for becoming a US Citizen prior to their 18th birthday who may file the form at any time during their lifetime; or in the case of adopted or biological children (under 18 years) qualifying for citizenship under Section 320 of the Immigration and Nationality Act, in which case the application must be filed by the US Citizen parent or legal guardian with legal and physical custody of the child; or in the case of an adult applicant with a disability, an immediate relative or legal guardian may file the application.

For additional information on who is eligible to file, and the documentation needed to submit with the application, click here.