Form N400 Eligibility Requirements

The following are the eligibility requirements for filing Citizenship Application Form N400:

1. Applicant must have a continuous residence in the U.S. of at least 5 years before filing for Form N400.

2.  The applicant should maintain citizen status as a legal permanent resident (even he is not physically present in the U.S.) for the number of years specified. The applicant must be maintaining his U.S. address and paying his state and federal taxes.

3. Applicant may file Form I-470 or the Application to Preserve Residence for Naturalization Purposes if the applicant will going to other country for several months, prior to the traveling period, in order to preserve their current status.

4. After being married to a U.S. citizen, the applicants should have stayed continuously for three years. After that the applicant may now be able to file Form N-400.