Source Thailand Business news:
Quote
From August 25, 2011, all commercial banks are required by the Ministerial Regulations issued by virtue of the Anti-Money Laundering Act to identify and verify, and maintain copies of, the identities of customers, and to report certain types of transactions as required by law. In some cases, banks will be required to request additional information from the person conducting the transaction, including the identity of the beneficiary
Ref: here