This section is from the book "Elementary Banking", by John Franklin Ebersole. Also available from Amazon: Elementary Banking.
Very little can properly be said of the functions of the comptroller. It suffices to say that he is the chief of accounts and accounting in the bank. This involves the development and continuous improvement of the accounting system and a close scrutiny of all of the expenses and earnings of the bank. The audit function is auxiliary to that of the comptroller. Having developed the bookkeeping in previous chapters, we will consider the auditing of books and analysis of transactions.