• Anyone born after November 14th, 1986, that obtained citizenship through their U.S. citizen parent
• Applicants born outside of the U.S. to at least one American parent
• Applicants who automatically became U.S. citizens before reaching the age of 18 (Legal guardians and parents can also file this form on behalf of their minor children)

Conditions for applicants under the age of 18:

• At least one parent must be a U.S. citizen
• The applicant must be the biological child of that U.S. citizen.
• The applicant must be lawfully admitted into the U.S. for permanent residence
• The applicant must be residing permanently in the US legal and in physical custody of the American parent

Note: Adopted children may also acquire U.S. citizenship through their adoptive American parents. However, stepchildren cannot acquire U.S. citizenship under these terms.

Conditions for legally adopted applicants:

• Adopted children are eligible to file Form N-600 if they obtained the American citizenship through their American parent(s) and are now over the age of 18

• Applicants who have no biological American parents
• Applicants who are children of American parent(s), who regularly reside outside of the United States of America. In this case, please refer to Form N-600K, Application for Citizenship and Issuance of Certificate, under Section 322
• Children born out-of-wedlock, who were not legitimated before their 16th birthday by an American father. Please note that this does not apply to those born to an American mother.
• Applicants who want to replace a lost or stolen, certificate. In this case, please refer to Form N-565, Application for Naturalization/Citizenship Document
• Applicants who have already filled, sent and received, a decision from the USCIS on a previous N-600 Form. All subsequent applications will be rejected

• 2 identical photographs
• Official birth certificate or record issued and certified by a civil authority in the country of birth
• Birth certificate or official record issued and certified by a civil authority in the country of birth of the American Parent
• Marriage Certificate(s) of your American Parent
• Marriage termination documentation (if applicable)
• Proof of American Citizenship
• Proof of Status as U.S. National (if applicable)
• Proof of Legitimation (if applicable)
• Proof of Legal Custody (if applicable)
• Copy of Permanent Resident Card or Other Evidence of Permanent Resident Status (if applicable)
• Proof of physical residence in the United States
• Copy of final adoption decree (if applicable)
• Evidence of all legally made name changes (if applicable)

• Write down your A-Number on the top right corner of the top of each page
• Provide English translations to all foreign documents
• Provide legal copies of all required documentation, unless originals are specifically required.

Note: If you submit an unrequired original document it will be added to your application record and may never be returned.