At least in Bangkok, chaengwathana, they asked me to keep the money in the account in the under consideration period and they asked for an updated bank book that shows i still keep the money until the day i my extension is approved.
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.