What documents are required for the 45-day check-in extension to the 60-day Covid extension in Thailand?

For the 45-day check-in extension related to the 60-day Covid extension in Thailand, the primary document needed is your passport. If you have already received the 'under consideration' stamp after paying the 1900 baht fee, typically, no additional documents are required. However, some recommend bringing the light blue receipt of the extension fee for assurance, as requirements may vary by immigration office.