Does anyone know which embassies provide a letter with which a stay can be extended, and which embassies refuse to provide this? That will be helpful for people of those countries.
TLDR : Answer Summary
The conversation discusses which embassies issue letters that allow for a stay extension in Thailand. The UK embassy is mentioned as providing letters for applicants seeking long stay or NON-IMM visas. Additionally, the Russian embassy requires a personal interview with the consul. There are also comments suggesting a previous similar inquiry and the urgency related to upcoming amnesty deadlines.