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Applicants for US Visas Do Not Need to Leave Passport with Consular Officer
Consular Officers do not need to retain applicants’ passports. Print this letter and bring it to your visa interview.
Deputy Assistant Secretary Letter
Learn what causes visa application delays and how to report them.
Visa Delays & Help
APS looks forward to welcoming international attendees to our meetings and events, such as the March and April Meetings and Division events. To travel to the United States to attend these events, you will likely need to obtain a visa. APS has compiled resources to assist you in the process of obtaining a visa, and while we make every attempt to keep this page up-to-date, please note that regulations may change. The best resources for accurate information about the visa application process are US government websites.
APS cannot intervene with US Embassies or consulates abroad or with the US State Department on behalf of any member or APS meeting attendee.
Generally, non-US citizens/residents must obtain a nonimmigrant B-1/B-2 visa to enter the United States for a temporary visit.
Visitor Visa Information from the US Department of State
Visa Waiver Program
Under the Visa Waiver Program (VWP), citizens of certain countries may travel to the United States for stays of ninety days or less without a visa. Anyone traveling under VWP must apply for authorization through the Electronic System for Travel Authorization (ESTA).
Visa Waiver Program Information
Electronic System for Travel Authorization
Set Up Your Visa Interview
If you are not eligible to travel under the Visa Waiver Program, you may be required to appear at a US embassy or consulate for an in-person interview prior to visa approval. There may be long waits to schedule an interview, so start the application process as early as possible.
Visa Appointment & Processing Wait Times
What to Bring to Your Visa Interview
Visa Interview Appointment Wait Times
The US Department of State's Bureau of Consular Affairs provides wait times for visa interview appointments for every US Consulate worldwide.
Visa Wait Times
Some applications require additional "administrative processing" and this adds several weeks to the application process. Applicants involved in scientific fields are often subjected to administrative processing and should apply for visas as early as possible, preferably three to four months in advance. Bring your CV and letter of invitation to the visa interview to help facilitate any additional processing.
Administrative Processing Information
Information on what to do if your application is delayed excessively, and tips to avoid problems and delays.
Information on the Visa Waiver Program, the Office of Biometric Identity Management (OBIM), US Customs and Border Protection, and the Department of Homeland Security's Travel Redress Inquiry Program.
Entering the United States
Making a Temporary Visit Outside of the US
Visitors currently in the United States who plan to temporarily visit their home country and reapply for a US visa should make some of their return preparations before leaving the United States.