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N-400 is a visa application form which is used to apply for US citizenship through the naturalization process. Filling in this form is first step of “naturalization,” the process of becoming an American citizen. Before discovering N-400 processing time, we will see some general information about form N-400.

Who can file Form N-400?

Only individuals who have satisfied the eligibility requirements for naturalization may file an N-400. In general, you must be at least 18 years old and have had a green card for five years (or three years if you’re married to a U.S. citizen). Besides you must meet the following criteria :

•  Have maintained physical presence during the past 5 years (3 years if married to a US citizen).

•  Have good moral character.

•  Have basic knowledge of English.

•  Have basic knowledge of US government and history.

•  Be willing to take the Oath of Allegiance

What must I fill in N-400?

The N-400 form is a series of questions about eligibility, personal information, marital history, children, criminal activities and the oath of allegiance to the United States. Many services, on the web, help candidates to the naturalization to fill the form. Sometimes, a lawyer’s help is required.

You generally have two options for filing your Form N-400 with USCIS including online method or by mail (paper).

How long does it take to process Form N-400?

The current average processing time for naturalization applications is a little over 10 months.

Generally, however, the speed of processing depends on the USCIS field office handling the application, and some applicants can get a head start on the process (see “Filing Early” below). Our detailed guide to the U.S. citizenship timeline has more details on what to expect during each stage of the naturalization process.

Tips for filling form N-400

To ensure a smooth N-400 process, you can follow these steps, hope that it can help:

•  You should use black ink only to complete an application. It is better to fill out the form electronically then print it afterward, assembled precisely how the government prefers. If you decide to complete your application by hand, don’t forget this tip.

•  Do review your Form N-400 before filing. It’s important to make sure that all of your answers are correct and all supporting documents are included with your application before you send your materials to the U.S. government.

•  Do provide translations. If any of your supporting documents was produced in a language other than English, you will need to obtain a certified English translation of that document with your N-400 application.

•  Don’t clutter your form. Do not highlight, cross out, or type or write beyond the space provided for your answer.

•  Don’t submit unnecessary paperwork. You may not get these back, as USCIS may destroy them immediately upon receiving them.