In addition to providing personal information about staff to the US tax authorities, the Swiss bank is also said to have shared personal documents, emails and details of telephone calls, the publication reported citing a letter written by Geneva-based lawyer Douglas Hornung to Swiss Finance Minister Eveline Widmer-Schlumpf.
The report added that the list contains the names of current employees, former employees and external managers.
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Julius Baer declined to comment on the matter, the Swiss newspaper said.
"It is totally against the law: it goes against constitutional rights, the criminal code and Swiss privacy laws," said Hornung, who is a partner at Geneva-based law firm Hornung Avocats.
Hornung said he had filed a criminal complaint on behalf of the former chief legal counsel at HSBC against the bank’s officers and board, which he said had handed over the names of 1,100 employees to US lawmen.
The Zurich-based bank is the latest to bend to Washington’s demands as it seeks to free itself from a knotty tax probe that has wreaked havoc among Switzerland’s private banks.
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By GlobalDataAs many as 11 Swiss banks are under scanner of US probe authorities suspected of aiding wealthy American clients evade taxes.
Oldest Swiss private bank Wegelin & Co became the first victim of the ongoing probe and had to sploit its Swiss operations into to split into two, after being declared fugitive by local US court.
Banks including HSBC and Credit Suisse have handed over the names of nearly 10,000 employees to US authorities in an effort to avoid the fate of Wegelin.
Julius Baer, which exited its US private-client business between 2009 and 2011, that it expects to pay a fine and hand over client data to US authorities as part of a wider tax evasion probe.
