Tod Daniels think I misunderstood. I know what a TM 30 is. I thought by your statement that the signs were outside the 90 day reporting room meant that you meant the non Thai person doing the 90 day report had to being the TM 30 with them.
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.