Do you need to have an appointment at muang thani immigration, or can you go there without one? Edit: You absolutely need one ! When you show up is a bit more flexible in that 4 hour window
TLDR : Answer Summary
It is generally required to make an appointment to ensure processing is smooth at Muang Thani Immigration, particularly for certain visa services. However, there are reports of individuals being able to visit without an appointment for specific tasks, suggesting some flexibility exists. For those who wish to secure an appointment, they can do so through the online booking system. It is recommended to print the appointment confirmation when visiting.