{FYI only. I don't use mobile banking.} A six month activity document can be printed by the bank immediately. One year activity can be sent to your email next day. Why? I don't know but that's the bank's rule.
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.