19 hours ago, rexall said:

You have to a

 

You have to apply at the Imm office where you reside. However, via an agent, you may apply at/via other offices.

In the province that I resided in until 4 months ago, There were two offices in the province and the officers seemed pretty relaxed about which one I dealt with...........  Having said that, they make up the rules to suit themselves in each office anyway, so what do I know? 555!!

42 minutes ago, ubonjoe said:

The only address I could find for it is in Maha Sarakham.

The agent I mentioned operates in Khon Kaen and deals with the Khon Kaen Imm. office.