1. 신청서는 충족되야 하는 체류기간의 90일 전부터 신청할 수 있다.
2. 지문 췌치는 신청서를 접수한 후에 통보에 의하여 한다.  
3. 신청서는 한번 접수되면, 이민국의 동의 없이 회수할 수 없다.
4. 선서는 이민국, 연방법원, 또는 지방법원에서 할 수 있다.
5. 이름을 바꾸는 경우는 법원을 통해야 한다.
6. 신청서가 기각당하는 경우에는 연방법원에 심사를 요구할 수 있다.
7. 선서는 두번째 결석을 하면 신청서를 포기한 것으로 간주한다.

1. 호적 등본 (영문 번역본)
2. 영주권 카피 (앞 뒷장/ 칼라)
3. 여권 사진 2매 (30일 내에 찍은 것)
4. 그외 N-400 에서 요구하는 모는 서류 (형사사건 법원 서류 카피…):

• Birth Certificate or Passport.
• List of all names that you may have ever used.
• Green Card. (Alien Registration Card or Permanent resident card)
• Details of your birth: date, city, state, and country of birth.
• Country of Citizenship / Nationality.
• Social Security Number.
• Citizenship of your parents.
• Details of your most recent marriage.
• Details of any physical or mental disabilities
• Current residential address, mailing address, telephone numbers and e-mail.
• Details of residences for the past 5 years: dates and addresses of residences
• Details of all employment for the last 5 years, if any: employer names, employer addresses, and dates of employment
• Details of all education for the last 5 years, if any: school/university names, addresses, and dates of study.
• Your height and weight.
• Details of all your trips outside the U.S since the day you became a Green Card Holder (Permanent Resident): dates of travel and places visited.
• If currently married, details about this marriage: date of marriage, place of marriage,
• If you were previously married, the details of each of these marriages: dates the marriage began and ended, reason for termination of this marriage. Details of each prior husband/wife such as full Name, country of citizenship and if applicable, his/her current immigration status in the U.S.
• Details on any Federal, state or local taxes that you have failed to submit or are overdue.
• Details of your association with any organization, association, fund, foundation, party, club, society or similar group in the United States or in any other place.
• Details of involvement in any criminal activities. If you have ever been arrested, cited, detained or charged; you will need the details of each incident such as date, place and outcome or disposition.
• If you have ever been subjected to any immigration proceedings, details of each of these proceedings such as date, place and outcome or disposition.
• Details of your service in the U.S armed forces, if any.
• Details of Selective Service Registration: Selective Service Number and Date of registration. If exempted from Selective Service, reason based on which exemption was granted.
• If not willing to perform Military or civilian service, your reason for not being able to do so.
• The U.S Immigration and Naturalization filing fees to be included with your application will be $390. This includes the fingerprinting fee of $70. (Fingerprinting is not required for applicants who are over 75 years of age.)
  
  Your Spouse’s information/documents:
• A copy of his/her passport.
• If currently married, details of your spouse: spouse name, date of birth, Social Security Number, home address, citizenship and if applicable, his/her immigration status in the U.S.
• If Spouse was previously married, the details of each of these marriages: dates the marriage began and ended, reason for termination of this marriage. Details of each prior husband/wife such as full Name, country of citizenship and if applicable, his/her current immigration status in the U.S.
  
  Your Children’s Information/documents:
• Details of ALL your children (irrespective of age, alive, missing or dead): full Name, Date and Country of birth, present address and if applicable, his/her Alien registration number (This can be found on the passport).

1. 미국여권은 발급이 되면 미국시민권자의 증명이다. 
2. 미국 시민은 미국여권을 사용하여 출입국을 하여야 한다.
3. 다음의 경우에는 여권발급을 거절당할 수 있다: 

• 연방정부의 체포영장이 있을 때
• 형법 또는 집행유예등으로 출국이 금지되 있을 때
• 법원의 명령으로 정신병원에 치료 중일 때
• 외국의 정부로부터 인도 및 소환요청을 받았을 때
• 연방정부의 기소나 대배심으로부터 출두명령을 받았을 때 
• 미국 정부로부터 채무가 있을 때
• 자녀 양육비를 $5,000 이상 밀렸을 때

없음