Anonymous participant 949It's very very unlikely you'd need to show any such docs if you're on a DTV. Never heard of anyone being asked for such proof. Verbal proof, maybe but not documented proof.
A. Nony Mous My friend said it was because it was mainly Cambodians and other brown foreigners pulled aside...however, it doesn't mean this happens everyday.
Still, Suvarnabhumi is way better...not worth flying Air Asia (which frankly isn't likely to be any cheaper than a full service carrier on a short haul route anyway) especially if it may come with less friendly treatment once you arrive at the airport.
Also, look up my post from like 2 weeks ago...Thai immigration gave him a form to fill out with his contact details and they did this to nearly all foreigners coming off the Air Asia Siem Reap flight.