Type "R"

If the applicant does not have a valid visa or re-entry permit, the applicant must request a visa, at least 15 working days before the intended date of travel, by filling in the information and uploading all required documents online at https://www.thaievisa.go.th/ (Please note that the visa application fee is non-refundable)

For instructions, please check https://www.thaievisa.go.th/static/English-Manual.pdf