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USCIS Form N-400
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Citizenship Resources
Citizenship & Immigration
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Library In-Branch Resources
USCIS Form N-400
Immigration Law
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USCIS Form N-400
Use this form to apply for U.S. citizenship.
USCIS I-485, Application to Register Permanent Residence or Adjust Status
Use this form to apply for lawful permanent resident status if you are in the United States.
USCIS Forms
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