The bank confirmation letter can check the different time points of the same account.
According to the Measures for the Administration of Domestic Credit Certification Business of Guangdong Huaxing Bank, a confirmation letter can only inquire about deposits, loans and current accounts of an account. If two or more deposit accounts of the same customer are found in the confirmation letter, and the reserved bank seals are different, the customer can stamp the reserved seals of each account separately or stamp the official seal uniformly.