Reuters: Valiant Holding AG said it would come forward to work with U.S. officials in a crackdown on wealthy Americans evading taxes through hidden offshore accounts.
Full story: http://uk.reuters.com/article/2013/12/09/tax-switzerland-idUKWEB00FIX20131209?rpc=401&feedType=RSS&feedName=swissMktRpt&rpc=401