What documents are needed to extend a visa exemption in Buriram, and when should I apply?

To extend a visa exemption in Buriram for an additional 30 days, you will generally need to provide the following documents: a visa application form with a photo, a copy of your passport, a copy of your current visa stamp, and a TM6 form. It's advisable to apply anytime before your visa exemption expires, as some reports suggest that extensions can be made up to 45 days before expiration. The extension fee is usually around 1900 baht.