Guarantee letter in Thailand is a document from the bank stating that you are the owner of the account managed at the bank, I've got the statements today, wasn't sure about the guarantee
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.