Any foreign visitors wishing to enter Thailand must have a valid passport and obtain a Thai visa before coming. However, foreigners of certain nationalities who are allowed to enter Thailand without visa or who are allowed to apply for Visa on Arrival (VoA)
Please check out here: https://visaguide.world/asia/thailand-visa/who-needs-a-visa-for-thailand/
Invitation Letter
The invitation letter will be issued after the successful registration.
Your name must be listed exactly as it appears on your passport. Any differences between the name on your passport and the name on your invitation letter or other documentation could lead to a delay and/or denial of your visa.
Please note ICRSA Committee Board are not authorized to assist with the VISA process beyond providing the Notification of Invitation Letter. Should your application be denied, ICRSA Committee Board cannot change the decision of the Ministry of Foreign Affairs, nor will engage in discussion or correspondence with the MOFA or the Embassy on behalf of the applicant. The registration fee cannot be refunded when the VISA application of individual being denied.
It takes around one month for the Embassy to process the VISA application, please register as early as you can to make sure you have enough time.
ICRSA 2024 organizer reserves all the right to issue the VISA letter for known or registered participant only.