For information about the United States Visa Policy, please visit the following website: Visa Policy

To determine if you need a visa, please visit the following sites:

Temporary Visitors to the US

Visa Waiver Program (VWP)

If you should need a visa, you can apply for one on-line at the U.S. Department of State Electronic Visa Application Forms.

If you need a visa, please remember that you should request a letter of invitation as soon as possible to apply for your visa well in advance of your travel!

Important steps to remember that in deteriming how long it can take to get a visa:
  1. Review your visa status, and find out if you need a U.S. visa or a renewal.


  2. Review the visa wait times information for interview appointments and visa processing at each embassy and consular section worldwide available on our website at Visa Wait Times. Visit the embassy or consular section website where you will apply for your visa to find out how to schedule an interview appointment, pay fees and any other instructions.


  3. Plan on an interview at the embassy or consulate, which is required for most visa applicants. As part of the visa interview, a quick fingerprint scan should be expected. Applicants who need additional screening are informed during the application process.

If you have attended an IETF meeting previously, please REGISTER for this meeting, then you may request a letter of invitation before you pay for your registraton. Please provide the registration ID number from the previous meeting.

If the IETF-69 is your first IETF meeting, you MUST have a paid registration before requesting your letter of invitation.
If you have attended a meeting within the past three years, you MUST at least register for this meeting before requesting a letter.

Please email the following information in your request to ietf-registrar@ietf.org:

  1. Your IETF-69 registration confirmation number:
  2. Full name (please indicate surname/family name, given/first name):
  3. Nationality:
  4. Passport number:
  5. Country of issue:
  6. Date of Birth (in Month Day, Year format)
  7. The names of the IETF working groups in which you are involved:
  8. Mailing Address
  9. Phone and Fax numbers
  10. Email address
  11. Identify previous IETFs attended in last 3 years
The letter of invitation will be faxed to you once your information is verified. The original letter will also be sent via postal mail. (Delivery of which may take 4 - 7 days)

For faster delivery:
For Global Express Mail and 3 -5 day delivery the charge will be USD$25.
For Globa Express Guaranteed Document Service with 2 - 3 days delivery the charge will be USD$50.

Please provide credit card info: Name on card, CC number and expiration date with delivery selection.
You will be provided with tracking number.

IETF Secretariat - Please send problem reports to ietf-web@ietf.org.