Transfers to Bangkok bank using funds for long term stay is the most reliable. You could also email Wise and ask them to tag your account so that transfers are more likely to show as international. Wise will only transfer more than
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baht to 3 Thai banks Bangkok bank being one one of them.
mine were not valid for a week and had to be dated tge day of application. As initially I was refused I had to get another set of statements and the letter and my bank book to show a transaction on the day all over again 4 days later.