What are the banking requirements for a Non-O retirement extension in Thailand?

For maintaining a Non Immigrant O (retirement) extension in Thailand, the banking requirements stipulate that: 1. At least 800,000 baht must be in the bank account for 2 months prior to applying for the extension. 2. The amount must remain in the account for 3 months after the extension is granted. 3. After this period, the funds should not drop below 400,000 baht for the remainder of the year. These requirements ensure compliance with the visa regulations.