Does a rental certificate need to be provided for a return visa in Thailand?

No need. Thailand Return Visa If your study visa has not expired, you can go to the Immigration Bureau or Bangkok Airport to apply for a return visa. At this time, you do not need proof of renting a house. You will need it if your study visa expires. Thailand’s second-entry visa, commonly known as Thailand’s return visa, is a second-entry visa for applicants who need to travel to a third country after arriving in Thailand and then return to Thailand.