Try again to book an appointment. It is sometimes not working well when too many apply at the same time. Otherwise be prepared to wait 2 or 3 hours in line... Avoid Mondays and Fridays.
Sorry, I have no idea as I am on a Non-O Retirement. But if a Non-O Thai wife requires 400,000 THB on your account, a yearly statement is probably needed too. Tod would know...
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