Form N-400, Application for Naturalization

What goes with N-400?

The evidence that supports the form. This is the typical list — your exact list is generated from your answers in the free check.

Document checklist

Typical, not yours

What people usually attach

Green card, front and backA complete list of trips outside the U.S. with datesTax evidence, and any court records with certified dispositionsOn the three-year path: marriage certificate and the spouse’s proof of citizenship

Form N-400

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More about N-400

OverviewForm N-400, Application for Naturalization InstructionsHow is N-400 filled out?FeeWhat does N-400 cost to file?Processing timeHow long does N-400 take?Common mistakesWhat goes wrong on N-400?

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