Today I opened a Kasikorn account in Buriram
I tried at SCB on the weekend and was told to get a yellow book, I'm booked in for a yellow book at the tessaban next January(yes that is the next appointment available in Buriram!!!!!!!!)
A mate just was knocked back from this very Kbank branch as he was not married to his missus and couldn't produce a Kor ror 22
So I went in today with Passport, Non O visa, wife, her tabian ban , our marriage cert, Kor ror 22, a letter/COR from Buriram immigration and a translation of my passport(not all needed but all given over)
They were initially confused as I'm on a 3 month O, and I was watching them consult a list of visas that could open a account, and the 3 month was not on it only the 12 month variant, but they consulted with head office(province I assume) who confirmed that was a valid O visa
The second part was a valid reason to have the account which was being married to a Thai, and residing in the city, which for this branch/bank seemed to be the only reason
The Kor ror 22 and marriage cert were sent to head office in front of me and they told my wife this was ensuring I was properly registered in the province and legally married
So there was a definite approval process using this list of approved reasons/visas, and they did not seem to have the final say(at least at the moment maybe)
They did read the COR/letter but only to confirm it was a non O visa as my stamp looks like non D(swampy immigration)
Now I know that this of limited use and YMMV as many aren't married and this is probably specific to my province
But I wish you all good luck and with patience you can get one