Originally Posted by
thegong4590
Oh that's great, good to know we should be able to do immigration in HKT so avoid having to do this in BKK.
And dsquared37, my inbound flight will be going to Chiang Mai so would assume the same as the above, that I could do immigration in BKK and customs in CNX?
CNX does indeed allow that.
The vagaries of the setup allow international pax without checked baggage to skip customs. When you arrive in CNX just ensure your CIQ (or whatever) sticker (if you're even given one) is no longer showing and head to domestic baggage claim, then exit to the street.