Non-RS

Thailand Non-Immigrant RS (Research) — Guide

The RS category is for scientific research or research training with a Thai institution, supported by the host institution's letter.

Visa code: Non-RS
Documents to prepare: 4 items
Process: 3 steps
Last reviewed: 2026-10-07

Illustration of document preparation for Thailand Non-Immigrant RS (Research) — Illustrative image; not an actual applicant or evidence of approval.

Last reviewed 2026-10-07. Preliminary guidance, not an official ruling. Fees are not listed because they change by announcement.

Who it is for

Researchers
Research trainers

Key requirements

Host institution letter
Defined research project

Typical documents

Passport
Host letter
Project outline
CV

Steps

Arrange hosting
Apply at embassy
Extend with host support

Common mistakes

No formal host agreement

FAQ

Do PhD students use RS?

Students usually use Non-ED; RS is for researchers.

Is a work permit needed?

Depends on the arrangement; check with the host.

Official sources

These links are starting points for current announcements and checklists. Select the category and receiving office relevant to your circumstances; a general portal does not verify every requirement in this guide.