A parliamentary investigation into the collapse of Credit Suisse will keep its files closed for as long as 50 years, according to a parliamentary committee document.
The investigation committee will thus hand over its materials to the Swiss Federal Archives only after half a century, ostensibly to ensure high levels of confidentiality of the investigation, which generated huge public interest.
The investigation focused on the activities of the Swiss government, financial regulator and central bank in the run up to the emergency takeover of Credit Suisse by UBS in March.
The Swiss parliament declined to comment.
Six months to three years in prison and fines are possible for violating the confidentiality of this inquiry.