• An application for Extension of Temporary Stay in the Kingdom (TM.7) and a photograph size 4x6 cm. (taken within the last 6 months) To download TM.7, please access this link: http://www.immigration.go.th/nov2004/download/pdf/tm7.pdf
• An application for Re-entry Permit into the Kingdom (TM.8) and a photograph size 4x6 cm. (taken within the last 6 months) To download TM.8, please access this link: http://www.immigration.go.th/nov2004/download/pdf/tm8.pdf
• The original and a copy of the applicant’s passport
• The original and copies of the passport and work permit of applicant’s family members who work in Thailand
• An approval letter from the Board of Investment (BOI)

Other documents submitted previously for the first application of Non-Immigrant Visa “O”, such as, Certificate of Marriage, Birth Certificate, Confirmation letter from company are not required to re-submit.