it probably due to thai monetary authority stricter policy, not only americans, hongkong and chinese people having difficulty opening an account, even the MRT recently imposed requirement that their stored valuated type ticket need registered with personal identity document and authenticated by a phone conversation with their office, well, you may doubt their wisdom, how one so clever use the storage ticket for money laundering if it is illicit money, you need to go to heaven a thousand times to clean.up all the fortune
thanks a lot, the problem about report by mail for 90 day is that it takes some days, even a month before one knows its ok ie getting the approval receipt, for online TM30 I tried once and seems getting approved immediately but i doubted it as not requiring full documents/information as report in person, in fact its too easy that i doubt if it is genuine, so next day i filed TM30 in person, and the officer issued me her wriiten receipt, never mentioned my online application