It is the travelers responsibility to check and confirm current visa requirements to enter Bangkok, Thailand . You may check with the Bangkok, Thailand Agency whether you need a visa and how to obtain one if necessary.
Requests for Visa Support Letters
For security purposes, the conference has policy for issuing official Visa Support Letters as follows:
• Visa Support Letters will be issued only after you have successfully registered and paid for your conference.
• Visa Support Letters can only be issued for the person accepted to attend the conference. Unfortunately we cannot issue Visa Support Letters for guests of participants.
Note: Obtaining a Visa Support Letter from Scientific Federation will not guarantee that your Bangkok, Thailand visa application will be approved. The letter is merely supplementary information that explains a visa applicant's intended purpose of travel to Bangkok, Thailand