Banking · Banker-Customer Relationship

Consider the following statements regarding the legal relationship between a banker and a customer: Statement 1: The duty of secrecy of a banker is a contractual obligation that arises from the nature of the relationship, and this duty continues even after the account is closed or the customer has deceased. Statement 2: A banker is legally permitted to disclose the state of a customer's account to a third party without consent if the banker believes it will help the third party make a better investment that benefits the local economy. Statement 3: Under the exception of 'Interest of the Bank,' a banker can disclose information about a customer's account if it is necessary for recovering an outstanding debt or defending against a lawsuit filed by the customer. Statement 4: The Bankers' Books Evidence Act provides that a bank can be compelled by any private individual to produce its original ledgers in a civil court, and the bank cannot offer certified copies instead. Which of the following summaries regarding the statements above is correct?