Form N-600: Applying for a Certificate of Citizenship
A Certificate of Citizenship documents that a person acquired or derived U.S. citizenship through their parents rather than through naturalization. This document is essential proof of citizenship for those who became citizens automatically through their parents. This guide explains who needs Form N-600, eligibility requirements, and the application process.
A Certificate of Citizenship documents that a person acquired or derived U.S. citizenship through their parents rather than through naturalization. This document is essential proof of citizenship for those who became citizens automatically through their parents. This guide explains who needs Form N-600, eligibility requirements, and the application process.
Form N-600 Application for Certificate of Citizenship is filed with USCIS to obtain documentary proof of U.S. citizenship for individuals who acquired citizenship at birth abroad or derived citizenship through naturalized parents. According to USCIS N-600 information, eligibility requires that you are already a U.S. citizen by operation of law, typically through one or both U.S. citizen parents under specific statutory requirements that vary by date of birth. The filing fee is $1,385 (no fee for biological or adopted children of military service members under specific circumstances). Processing times currently range from 6 to 18 months. Approved applicants receive an official Certificate of Citizenship.
Key Takeaways
Form N-600 documents existing citizenship; it does not grant citizenship to non-citizens.
Eligibility depends on parent's citizenship status at applicant's birth or before age 18.
Different rules apply based on year of birth, parents' marital status, and physical presence requirements.
Processing currently takes 6 to 18 months.
Children of military members may qualify for fee waivers.
Alternative documentation includes U.S. passport (which is also proof of citizenship).
Once issued, Certificates of Citizenship are valid permanently.
Table of Content
Who Qualifies for a Certificate of Citizenship?
The N-600 process applies to two main categories: citizens by acquisition at birth and citizens by derivation through parents.
Acquisition at birth abroad: Children born outside the United States to U.S. citizen parent(s) may have acquired citizenship at birth if statutory requirements are met. The applicable rules vary by:
Date of birth
Whether parents were married at birth
Whether one or both parents were citizens
Parents' physical presence in the U.S. before the birth
Derivation through naturalized parent: Children may automatically derive citizenship when:
Parent naturalizes while the child is under 18
Child is a lawful permanent resident
Child is in the legal and physical custody of the citizen parent
The Child Citizenship Act of 2000 simplified derivation rules for children born after February 27, 1983.
How Does Acquisition at Birth Work?
Acquisition at birth depends heavily on when you were born and your parents' status:
For births to two U.S. citizen parents: Generally simplest. Citizenship typically passes if at least one parent had any prior physical presence in the United States.
For births to one U.S. citizen parent (married): Requires the citizen parent to have specific minimum physical presence in the U.S. before the birth. Specific rules vary by birth year:
Birth Year Range
U.S. Physical Presence Requirement
1934 to 1986
10 years, with 5 after age 14
Nov 1986 to present
5 years, with 2 after age 14
For births to one U.S. citizen parent (unmarried): Different rules apply for births to unmarried fathers vs. mothers, with specific requirements for legitimation, paternity establishment, and presence.
What Is Derived Citizenship?
Derived citizenship occurs when a child becomes a U.S. citizen through their parent's actions rather than at birth.
Child Citizenship Act of 2000 (CCA) requirements: Children who meet ALL of the following automatically acquire citizenship:
At least one parent is a U.S. citizen by birth or naturalization
Child is under 18 years old
Child is a lawful permanent resident
Child is residing in the U.S. in the legal and physical custody of the citizen parent
This automatic acquisition happens by operation of law, not through any application. The Certificate of Citizenship documents existing citizenship.
What Categories of Children Are Included?
The Child Citizenship Act covers several types of children:
Biological children: Children of U.S. citizens by birth.
Adopted children: Adopted children of U.S. citizens, with specific requirements about adoption finality and custody.
Stepchildren: Generally not covered (stepchildren cannot derive through the stepparent under CCA).
Children born out of wedlock: Specific provisions apply, including legitimation requirements in some cases.
For adopted children, the adoption must be final, and certain time-in-custody requirements may apply.
How Do You File Form N-600?
The N-600 application process involves substantial documentation:
Step 1: Determine eligibility: Confirm you qualify under specific statutory requirements based on your situation.
Step 2: Gather documents: Collect evidence of citizenship eligibility and identity.
Step 3: Complete Form N-600: Fill out the application carefully.
Step 4: Pay filing fee: $1,385 (current fee). Fee waivers available for some military-related applications.
Step 5: Submit application: File with USCIS at the appropriate filing address.
Fee exemption: Biological or adopted children of U.S. military service members may qualify for fee exemption.
Fee waivers: Standard fee waiver based on inability to pay (Form I-912) is generally not available for N-600.
The fee is significant. Confirm eligibility before filing to avoid wasted application fees.
Are Multiple Children Treated Separately?
Yes. Each child requires a separate N-600 application with separate filing fees. Family members cannot be combined on one application.
For families with multiple eligible children, plan filing strategy and finances accordingly. Some families file applications sequentially as funds allow.
Alternatives to Form N-600
A Certificate of Citizenship is not always necessary. Alternative proof of citizenship includes:
U.S. Passport: A valid U.S. passport is widely accepted as proof of citizenship and may be easier and cheaper to obtain than a Certificate.
Consular Report of Birth Abroad (CRBA): For children born abroad to U.S. citizens, a CRBA can be obtained from U.S. consulates and serves as primary proof of citizenship at birth.
Naturalization Certificate: For those who became citizens through naturalization (not derivation or acquisition), the Naturalization Certificate is the primary document.
Why Get a Certificate of Citizenship vs. Just a Passport?
The Certificate of Citizenship has specific advantages:
Permanence: The certificate does not expire. Passports must be renewed.
Official record: Provides official documentation of citizenship status independent of passport.
Evidence for various purposes: Useful for employment verification, federal benefits, and legal proceedings.
Family history documentation: Helps establish citizenship for future generations.
Government employment: Some positions require a Certificate of Citizenship as the preferred proof.
Many citizens never need a Certificate, relying instead on passports. Others find it valuable for specific purposes.
What If Your N-600 Is Denied?
Denial is possible if statutory requirements are not met:
Common denial reasons:
Parent's physical presence not established
Required relationships not properly documented
Citizenship rules of birth period not met
Documentation gaps
Appeal options:
You can appeal N-600 denials to the Administrative Appeals Office (AAO) using Form I-290B within 30 days of denial.
You may also file motions to reopen (with new evidence) or motions to reconsider (arguing legal errors).
Can You Reapply After Denial?
Yes, with caution. Reapplication makes sense when:
New evidence becomes available
The original denial was based on missing documentation now obtained
Different legal arguments support eligibility
Reapplication should address the specific reasons for denial. Consult with an immigration attorney before reapplying after denial.
Special Considerations
Military children: Children of U.S. military service members may have special provisions. Consult military legal assistance for guidance.
Adopted children: Adoption finality and custody requirements are strictly enforced. Documentation must be complete.
Out-of-wedlock births: Legitimation requirements vary by birth date and parent. Specific evidence may be required.
Lost or destroyed parental records: If parent's documents are unavailable, alternative evidence may be acceptable. Reach out to vital records offices, embassies, and family for documentation.
What If Your Citizenship Status Is Unclear?
If you are uncertain about citizenship status, several options exist:
Consult an attorney: Immigration attorneys with citizenship expertise can analyze your specific situation.
Request information from USCIS: USCIS can sometimes help analyze cases or recommend appropriate filings.
File for both Certificate and passport: Some families pursue multiple citizenship documentation paths simultaneously.
Contact relevant U.S. embassies: For acquisition cases, U.S. consulates may have additional records.
Who Qualifies for a Certificate of Citizenship?
The N-600 process applies to two main categories: citizens by acquisition at birth and citizens by derivation through parents.
Acquisition at birth abroad: Children born outside the United States to U.S. citizen parent(s) may have acquired citizenship at birth if statutory requirements are met. The applicable rules vary by:
Date of birth
Whether parents were married at birth
Whether one or both parents were citizens
Parents' physical presence in the U.S. before the birth
Derivation through naturalized parent: Children may automatically derive citizenship when:
Parent naturalizes while the child is under 18
Child is a lawful permanent resident
Child is in the legal and physical custody of the citizen parent
The Child Citizenship Act of 2000 simplified derivation rules for children born after February 27, 1983.
How Does Acquisition at Birth Work?
Acquisition at birth depends heavily on when you were born and your parents' status:
For births to two U.S. citizen parents: Generally simplest. Citizenship typically passes if at least one parent had any prior physical presence in the United States.
For births to one U.S. citizen parent (married): Requires the citizen parent to have specific minimum physical presence in the U.S. before the birth. Specific rules vary by birth year:
Birth Year Range
U.S. Physical Presence Requirement
1934 to 1986
10 years, with 5 after age 14
Nov 1986 to present
5 years, with 2 after age 14
For births to one U.S. citizen parent (unmarried): Different rules apply for births to unmarried fathers vs. mothers, with specific requirements for legitimation, paternity establishment, and presence.
What Is Derived Citizenship?
Derived citizenship occurs when a child becomes a U.S. citizen through their parent's actions rather than at birth.
Child Citizenship Act of 2000 (CCA) requirements: Children who meet ALL of the following automatically acquire citizenship:
At least one parent is a U.S. citizen by birth or naturalization
Child is under 18 years old
Child is a lawful permanent resident
Child is residing in the U.S. in the legal and physical custody of the citizen parent
This automatic acquisition happens by operation of law, not through any application. The Certificate of Citizenship documents existing citizenship.
What Categories of Children Are Included?
The Child Citizenship Act covers several types of children:
Biological children: Children of U.S. citizens by birth.
Adopted children: Adopted children of U.S. citizens, with specific requirements about adoption finality and custody.
Stepchildren: Generally not covered (stepchildren cannot derive through the stepparent under CCA).
Children born out of wedlock: Specific provisions apply, including legitimation requirements in some cases.
For adopted children, the adoption must be final, and certain time-in-custody requirements may apply.
How Do You File Form N-600?
The N-600 application process involves substantial documentation:
Step 1: Determine eligibility: Confirm you qualify under specific statutory requirements based on your situation.
Step 2: Gather documents: Collect evidence of citizenship eligibility and identity.
Step 3: Complete Form N-600: Fill out the application carefully.
Step 4: Pay filing fee: $1,385 (current fee). Fee waivers available for some military-related applications.
Step 5: Submit application: File with USCIS at the appropriate filing address.
Fee exemption: Biological or adopted children of U.S. military service members may qualify for fee exemption.
Fee waivers: Standard fee waiver based on inability to pay (Form I-912) is generally not available for N-600.
The fee is significant. Confirm eligibility before filing to avoid wasted application fees.
Are Multiple Children Treated Separately?
Yes. Each child requires a separate N-600 application with separate filing fees. Family members cannot be combined on one application.
For families with multiple eligible children, plan filing strategy and finances accordingly. Some families file applications sequentially as funds allow.
Alternatives to Form N-600
A Certificate of Citizenship is not always necessary. Alternative proof of citizenship includes:
U.S. Passport: A valid U.S. passport is widely accepted as proof of citizenship and may be easier and cheaper to obtain than a Certificate.
Consular Report of Birth Abroad (CRBA): For children born abroad to U.S. citizens, a CRBA can be obtained from U.S. consulates and serves as primary proof of citizenship at birth.
Naturalization Certificate: For those who became citizens through naturalization (not derivation or acquisition), the Naturalization Certificate is the primary document.
Why Get a Certificate of Citizenship vs. Just a Passport?
The Certificate of Citizenship has specific advantages:
Permanence: The certificate does not expire. Passports must be renewed.
Official record: Provides official documentation of citizenship status independent of passport.
Evidence for various purposes: Useful for employment verification, federal benefits, and legal proceedings.
Family history documentation: Helps establish citizenship for future generations.
Government employment: Some positions require a Certificate of Citizenship as the preferred proof.
Many citizens never need a Certificate, relying instead on passports. Others find it valuable for specific purposes.
What If Your N-600 Is Denied?
Denial is possible if statutory requirements are not met:
Common denial reasons:
Parent's physical presence not established
Required relationships not properly documented
Citizenship rules of birth period not met
Documentation gaps
Appeal options:
You can appeal N-600 denials to the Administrative Appeals Office (AAO) using Form I-290B within 30 days of denial.
You may also file motions to reopen (with new evidence) or motions to reconsider (arguing legal errors).
Can You Reapply After Denial?
Yes, with caution. Reapplication makes sense when:
New evidence becomes available
The original denial was based on missing documentation now obtained
Different legal arguments support eligibility
Reapplication should address the specific reasons for denial. Consult with an immigration attorney before reapplying after denial.
Special Considerations
Military children: Children of U.S. military service members may have special provisions. Consult military legal assistance for guidance.
Adopted children: Adoption finality and custody requirements are strictly enforced. Documentation must be complete.
Out-of-wedlock births: Legitimation requirements vary by birth date and parent. Specific evidence may be required.
Lost or destroyed parental records: If parent's documents are unavailable, alternative evidence may be acceptable. Reach out to vital records offices, embassies, and family for documentation.
What If Your Citizenship Status Is Unclear?
If you are uncertain about citizenship status, several options exist:
Consult an attorney: Immigration attorneys with citizenship expertise can analyze your specific situation.
Request information from USCIS: USCIS can sometimes help analyze cases or recommend appropriate filings.
File for both Certificate and passport: Some families pursue multiple citizenship documentation paths simultaneously.
Contact relevant U.S. embassies: For acquisition cases, U.S. consulates may have additional records.
Frequently Asked Questions
Can I get a Certificate of Citizenship as an adult?
Can I get a Certificate of Citizenship as an adult?
Do I need to take the citizenship test?
Do I need to take the citizenship test?
What if my parent's records are lost?
What if my parent's records are lost?
Can I apply for both N-600 and a U.S. passport?
Can I apply for both N-600 and a U.S. passport?
Does my Certificate of Citizenship need to be renewed?
