In 2013 some customers annual statements were sent to incorrect addresses due to a program error. Due to errors in the introduction of a new bank statement format, statements from 43,000 customers were enclosed with other addressees, resultantly 31,000 customers received annual statements for both themselves and for other people.Bank Coop verschickt Kontoauszüge an falsche Adressen., Neue Zürcher Zeitung, 08 January 2014. In June 2014, Bank Coop announced that an independent investigation undertaken by Deloitte concluded that a chain of unfavourable circumstances and inadequate controls led to the error.
