And if you don't want to be send to Europe, many times I read some tips over here to first fly to a neighbour country and then from there: or a flight to BKK or use a landborder.
, is it again different per imm. office ? In Korat I just hand over my completed TM47 and passport. Ofcourse the TM6, visa, last yearextension and tm30 notification slip as also the last 90 day slip are stapled in my passport. But never needed/asked for copies...