So, to answer the email in your late payment from banned telling received money, and get cash back. Due to that the Finance Department had been aware of the story above, and then from the Bank.
Thus, answering e-mail on the grounds of delayed payments from the ban has been returned and the money paid back by the specified date. Because of that the finance department has been informed of the above and from the bank.
So the answer emails in the reasoning of payment delay from never returned, earn money and then enter your money and back. Due to that the finance department was aware of the above mentioned from the bank.