The Swiss government has decided on a final version of new too - big - to - fail bank laws , which have been designed to protect the Swiss economy from a collapse of a major bank . Arnd Wiegmann ZURICH (Reuters) - Included in the new Swiss laws is the requirement of a 5 % leverage ratio of core capital to total assets for Switzerland 's two largest banks , UBS and Credit Suisse . In a concession however , the Swiss government have rolled back a proposal to constrain balance sheets if they grow beyond a certain size . The new rules are to take effect from 1st January this year .
The Swiss government has decided on a final version of new too - big - to - fail bank laws , which have been designed to protect the Swiss economy from a collapse of a major bank . Included in the new Swiss laws is the requirement of a 5 % leverage ratio of core capital to total assets for Switzerland 's two largest banks , UBS and Credit Suisse . In a concession however , the Swiss government have rolled back a proposal to constrain balance sheets if they grow beyond a certain size . The new rules are to take effect from 1st January this year .