There have been reports of immigration requiring a Thai bank account in order to receive and extension. The easy work around is obviously to just take a holiday for a few days in a neighbouring SEA country by air.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.