In the event the superintendent takes charge of the business and affairs of any bank as authorized in this chapter or in the event a proceeding is instituted to forfeit the charter of any bank, the report of the examiner of such bank on file in the office of the superintendent or a copy thereof duly certified by the superintendent under his official seal, is admissible and may be used as evidence in any court, either by the superintendent, the Banking Board, any member or employee thereof, the receiver or the bank.