I thought if you were applying for a Non O in your own country you would show your bank account balance from that country, the if you are intending get a 12 month extension you will put the money in your Thai account when you get to Thailand, any moderators can please confirm this. TIA
He said he’s got a Non O 90 visa and is going to apply for a marriage visa, please read Tod’s comment and you should then understand mine and how it relates to his post,