What documents do I need to provide for renewing my marriage visa in Thailand regarding bank funds?

When renewing your marriage visa in Thailand, you must provide both your bank statements and your bank book, along with a letter from the bank to demonstrate that you meet the required financial threshold. Many individuals choose to maintain two separate bank accounts: one that holds the minimum required 400,000 baht for immigration purposes, and another for day-to-day expenses. To keep the immigration account active, it is often advised to make a small transaction, ensuring that the balance remains above the required amount.