The prohibition is with standing accounts, with no more than 10 bank accounts The Director General of Information Technology of the Central Bank: Having more than 10 bank accounts is not prohibited in itself. People who have a dormant or blocked account since June 21, 1404, will not be able to open a new account. The amount of time it takes banks to determine the tasks of customer requests is 10 days. If the number of accounts of a person in the bank is more than 10 accounts, the bank is obliged to check the customer's situation and the necessity of additional accounts.