No, DTV are not eligable for a bankaccount.
You need a real longterm visa, stayed several months in Thailand on a permanent adress with a long lease, and able to deposit large sums regulary for a easy verifiable source, to even be considered to be a Thai bank customer.
And that was before the recent tightening of rules last week.
So don’t waste time dreaming about a bankaccount, you are on the wrong visa for that.
Banks in Thailand are like everywhere in the world, interested in having good stable custormers, that have a permanent address, a steady easy traceable income, and use the account all year round.
That is why the banks are reluctant to give accounts to people on short time ( read: tourist ) visas, and who only spend part of the year in Thailand.
Don’t expect to get a residence certificat, until you have stayed at a permanent adress in at least 3 month, since that is what the residence certificat should confirm.
Furthermore the added attention on whitewashing of money, is an added burden on the banks, so reluctant depositing large amounts isn’t a guaranteed way to open an account.
The value of a resident certificat, had gone down, since Immigration Officers are giving them to people that are not on a longterm visa, or have stayed severel months at 1 adress in Thailand, so even if it is a formal requirement, the bank make up their own assesment of the stability of the want-to-be customer.
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( Notice: there is an error i the 2. paragraph, a Thai bankaccount has never been a requirement for DTV)