International travel by students and scholars in non-immigrant status requires advance planning and careful attention to details. The most important thing is to make certain you have all the required documents with your passport (not packed in your suitcase) when you arrive back in the U.S. Check with ISPS before you leave if you have any questions and to obtain a travel signature. (Note: Current semester balance must be paid in full to receive travel authorization.)
- Traveling Outside the U.S.
- Travel to Canada, Mexico, and the Adjacent Islands
- Traveling in the U.S.
- I-94 Arrival/Departure Document
Traveling Outside the U.S.
All international students, scholars and family members planning to temporarily depart from the U.S. 必须持有有效护照才能离开美国.S. The passport must also be valid for a minimum of six months into the future at the time of re-entry to the U.S.
除加拿大公民外，所有国际学生, 学生及其家庭成员也需要持有有效的美国签证.S. 签证章在他们的护照上具体到他们目前的活动(学生), professor, researcher, etc…). 有关续签签证的信息可以在这里找到.
F-1 Students
请在旅行前检查好你的证件. (如果你要去加拿大旅行, Mexico or the contiguous islands for less than 30 days you may be eligible for a visa renewal exemption.)
Travel Requirements
- 有效的I-20表格，并在第二页有isp的签名
- ISPS签署须在交回日期后12个月内完成
- Valid F-1 visa
- Valid passport
- If graduated and on F-1 OPT, your EAD card and a letter from your employer re your OPT position
- F-2家属必须持有有效的I-20表格
j - 1学生/网赌十大靠谱信誉平台
请在旅行前检查好你的证件. (如果你要去加拿大旅行, Mexico or the contiguous islands for less than 30 days you may be eligible for a visa renewal exemption.)
Travel Requirements
- 有效的DS-2019，在第一页底部有isp的签名
- ISPS签署须在交回日期后12个月内完成
- Valid J-1 visa
- Valid passport
- J-2家属必须持有有效的DS-2019表格
Travel to Canada, Mexico, and the Adjacent Islands
当考虑到与美国相邻的国家旅行时.S. there are two questions to consider: Does your country of citizenship require a visa (e.g. 加拿大签证)进入该国，并将你的美国护照.S. 移民身份允许你返回美国.S. (e.g. from Canada.)
进入邻近国家的签证
For citizens of some countries, you may need a visa to enter Canada, Mexico or the 邻近的加勒比群岛. Please check the sites below to see if citizens of your home country are required to have a visa stamp (e.g. (加拿大旅游签证)进入邻近国家. If a visa is required you will need to prepare all of the materials and make your visa application directly with that country’s consulate directly. 获得签证进入美国以外的国家.S. 不是互联网服务供应商提供的服务.
- Countries whose citizens require visas in order to enter Canada and Visa exempt countries
- Visas to Mexico
- Embassies in the U.S.
Returning to the U.S. (访问邻近国家后)
大多数在美国的学生和网赌十大靠谱信誉平台.S. do not need a new U.S. 返回美国的签证.S. 在访问了邻近的国家之后. Citizens of Cuba, Iran, North Korea, Syria and Sudan are not eligible for this process known as Automatic Revalidation. 该条款允许某些美国政府.S. 签证持有人重新进入美国.S. 在“毗连领土”(加拿大)停留不超过30天, Mexico, and, F和J是非移民, the "古巴以外的邻近岛屿")，而无须在再入境前申领新签证. Students and scholars in F and J visa status who are maintaining lawful nonimmigrant status in the United States, 以及去加拿大旅游的人, 墨西哥或加勒比群岛, for 30 days or less, can re-enter the U.S. 带着印好的I-94卡, a valid passport, and a current form I-20 or DS-2019 (with valid travel signature) plus a previously-issued U.S. 使馆签证章(可能过期), or even in a different category than the I-94 if a change of status has been approved in the U.S.). Please speak to an advisor in ISPS if you have questions about this provision.
自动重新验证签证 NOT apply if:
- 你申请了一个新的美国国籍.S. 加拿大、墨西哥或邻近岛屿的签证. This means if you apply for a new visa you must wait until that visa is issued to return to the U.S.
- 在返回美国之前，你去了任何其他国家.S. 来自加拿大或墨西哥.
Applying for U.S. Visa at a U.S. 在邻近国家的领事馆
Thanks to the Automatic Revalidation procedure mentioned above most students and scholars do not need to apply for a new visa stamp. In addition, 由于一些复杂的政府政策, ISPS建议学生和网赌十大靠谱信誉平台永远不要计划申请新的美国大学.S. visa stamp from a U.S. 除非绝对必要，否则在访问邻近国家时不得在领事馆逗留.
I-94 Arrival/Departure Document
The I-94 is an important document which records the date and purpose of your entry to the US, 还有你能待多久. In the past the I-94 was a small white card which all students received upon entering the US. However, starting in the April 2013, all airports have stopped issuing this card. 相反，你的入境会被记录在一个电子数据库中. 你可以上网到这个电子数据库检索你的I-94表格. http://i94.cbp.dhs.gov/
如果你是一个新的国际学生或网赌十大靠谱信誉平台
If you are a newly arrived international student or scholar and need to check-in with ISPS, you must print a paper copy of your I-94 number and bring it with you to check-in. Click the link below to enter your personal information and retrieve your I-94 record. 打印I-94记录或将其保存到您的个人设备. 随时准备几份. http://i94.cbp.dhs.gov/
查找在线I-94记录时出现问题?
First make sure that you have entered your name exactly as it appears on your U.S. 签证，不是你护照上的. If you cannot locate your I-94 record in the system, please contact an advisor in ISPS. You may need to contact the Customs and Border Protection agency to have your record fixed. 请准备好告诉指导老师你到达美国的日期.S.你降落的机场，以及你搭乘的航空公司.
对于每一个新进入美国的人.S.:
Remember to download and print a new I-94 number each time you exit and return to the U.S. Keep the most current printed I-94 number with your passport for your own records. State and federal government agencies will ask to see the I-94 record (for driver’s license, 社会保险号, I-94表格是你在美国的唯一记录.S. legally, so it is important to keep a printout with your passport at all times while inside the U.S.
Traveling in the U.S.
You are advised to carry your passport and immigration documents (your I-20 or DS-2019) with you when traveling in the U.S.; they will be required for a flight, 但在开车旅行时也会被要求使用, train or bus. For more information about the documentation required for air travel consult the guidelines of the 运输安全管理局.
If you are traveling in and around the Ada area carry a copy of your I-94 card, I-20表格的复印件, a copy of your passport page with your biographic information and photo with you at all times. 虽然你不太可能被询问, having these documents with you provides immediate proof of your lawful status in the U.S.
Visa Delays
而所有申请美国签证的个人.S. 签证在签发前要经过审查, 某些个人可能需要接受进一步的检查或批准, commonly known as 行政处理.
Issues that may trigger an 行政处理 or security clearance delay include:
- 你的名字拼写不一致
- Your name is similar to others in the consular lookout system requiring further investigation
- If you are from North Korea, Cuba, Syria, Sudan, Iran and Libya you will likely be 要经过额外的安全审查程序 这需要几个月的时间.
To read the U.S. 国务院关于可能的签证延误的最新消息将直接发送给 国务院领事事务局网站.
保安谘询意见
If a security advisory opinion is requested by the Consulate (行政处理) your visa will not be issued until the clearance is received from Washington D.C. 这个过程平均需要60天左右，但也可能需要更长时间. There is no way to expedite this process nor find out the status of the case. Some U.S. 各领事馆在其网站上公布正在审查的案件名单. 查找“管理处理检查状态”.
Once issued, the clearance can be (at the discretion of the embassy) valid for up to four years for F-1 students and up to two years for students and scholars in J-1 status as long as there have been no substantial changes in your academic or research program.
U.S. 国家资源部
Travel.state.gov is the primary source of information regarding travel delays, alerts, and warnings.