I’m with Krungthai bank, in a very small town in Nongbualamphu, the first time I went and asked for bank statements and paper work for immigration there was 3or 4 bank staff all huddled together, they got it right and immigration where happy with what I gave them
John take everything and copies of everything wife’s blue book passport telephone contract with your number and address on it, I didn’t need certificate of residence because we have our own house, if you have yellow house book and pink I D card take that