International registrants should be particularly aware and careful about visa requirements and should plan travel well in advance.
The visa regulations for Austria can be found here .
Letter of Invitation
For authors of accepted papers we can provide an invitation letter for visas. For a letter of invitation, please send all requests to email@example.com with the following Information:
(as it appears on your passport) and
your passport ID and your date of birth
include your registration confirmation number
the title of your accepted paper
include a fax number or email address of where we can send the letter