Bit bad luck also. Before you could get an income statement from the Canadian Embassy if you wanted an extension on y'r non imm O. Alas April this year, they stopped doing that.
Very strange. Used it 8 times already. Only one time it took 2,5 hours because of a truckload of imm. with an Agent. Did not see complaints. Which group ?
I think what Tony says, is the best way. My last one was completely different from the two before. Should you need it for opening a bank account, they put that text in it. At least at Korat imm. The last one I needed, 3 months ago, was for my 5 year drivers licence. It was 500฿ if you want it on the spot and free if you could wait for a week or so.