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BBL - Letter of Audit Confirmation

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I recently received a letter from BBL headquarters in Bangkok, titled 'Letter of Audit Confirmation'. It simply states, 'This letter is for audit confirmation purposes only', and includes my account balance and a request to contact them if it's incorrect. I assume this confirms that my account has been audited. I haven't heard anything from the bank since, and since the letter doesn't say anything else, I'm hoping everything is alright. Has anyone else ever received a similar letter from their bank?

It doesn’t mean that you are being audited. It sounds like a routine audit confirmation rather than a sign that your personal account has been audited or that anything is wrong. Banks often send these letters to independently confirm an account balance for an auditor or other verification process. If the balance shown is correct and the letter doesn’t ask you to take any action, there’s probably nothing to worry about.

15 hours ago, MoneyPenny said:

It doesn’t mean that you are being audited. It sounds like a routine audit confirmation rather than a sign that your personal account has been audited or that anything is wrong. Banks often send these letters to independently confirm an account balance for an auditor or other verification process. If the balance shown is correct and the letter doesn’t ask you to take any action, there’s probably nothing to worry about.

Having worked for CPA firms as an auditor in the USA, and participated in audits of bank clients, I agree with the above.

Such letters are usually sent by the bank's auditors (both internal and independent) for their audit purposes. These are referred to as "negative" confirmation letters whereas a response is needed only if the information is incorrect.

19 hours ago, Sato said:

I recently received a letter from BBL headquarters in Bangkok, titled 'Letter of Audit Confirmation'. It simply states, 'This letter is for audit confirmation purposes only', and includes my account balance and a request to contact them if it's incorrect. I assume this confirms that my account has been audited. I haven't heard anything from the bank since, and since the letter doesn't say anything else, I'm hoping everything is alright. Has anyone else ever received a similar letter from their bank?

If I had a US DL still valid, I would have closed my Bangkok Bank account a year ago and opened up one somewhere else.

But alas, banks in Thailand have become almost impossible with which to do lawful business. I have been here over 15 years, no criminal record, valid and lawful NonO visa, yellow book, pink ID card and passport and millions of Thai baht; but that's not good enough.

37 minutes ago, Ricohoc said:

If I had a US DL still valid, I would have closed my Bangkok Bank account a year ago and opened up one somewhere else.

But alas, banks in Thailand have become almost impossible with which to do lawful business. I have been here over 15 years, no criminal record, valid and lawful NonO visa, yellow book, pink ID card and passport and millions of Thai baht; but that's not good enough.

Some Thai Banks will accept a bank statement, a brokerage account statement, a social security statement, or a utility bill with your overseas address on it. What they are looking for is some way to verify an overseas address in your home country. If you tell the bank you have been living in Thailand for 15 years and no longer maintain an overseas driving license they will often accept a valid statement of some sort instead.

4 hours ago, MoneyPenny said:

Some Thai Banks will accept a bank statement, a brokerage account statement, a social security statement, or a utility bill with your overseas address on it. What they are looking for is some way to verify an overseas address in your home country. If you tell the bank you have been living in Thailand for 15 years and no longer maintain an overseas driving license they will often accept a valid statement of some sort instead.

Unfortunately, that hasn't been my experience at any bank in Thailand in 2026.

1 hour ago, Ricohoc said:

Unfortunately, that hasn't been my experience at any bank in Thailand in 2026.

Which banks have you tried? I opened a Krungthai account in Bangkok this year, and they weren't interested in any foreign / home country address.

3 hours ago, Ricohoc said:

Unfortunately, that hasn't been my experience at any bank in Thailand in 2026.

That is a shame, but good to know.

3 hours ago, Caldera said:

Which banks have you tried? I opened a Krungthai account in Bangkok this year, and they weren't interested in any foreign / home country address.

I'm already there.

On 8/18/2026 at 1:20 PM, Sato said:

Has anyone else ever received a similar letter from their bank?

No, but I do wonder whether your letter might be similarly-worded to the bank account confirmation letters which you have presumably obtained for annual extension of stay purposes. If so, then all the more reason not to worry, I think.

  • Author

No, this letter is completely different from a 'Bank Account Confirmation Letter'. The title is 'Letter of Audit Confirmation', which to me means I'm being informed that my accounts have been audited (I assume by internal bank auditors). I've had accounts with BBL for 15 years and have never received a letter like this before. I assume the banks check accounts electronically and my accounts were selected for manual review (e.g., high account balance, large number of transactions, foreign account holders, etc.).

Since I haven't heard anything further from the bank, I continue to assume the audit was positive for me and there was no need for the bank to conduct any further investigations (otherwise, I'll find out in the coming weeks).

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