The IRS wants Wells to hand over data on U.S. taxpayers with accounts at Canadian Imperial Bank of Commerce FirstCaribbean International Bank (FCIB).

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After two years of failed negotiations, Mendes Junior brought the case to the International Chamber of Commerce (ICC) in Paris.

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The Kwoks' developments include Hong Kong's three tallest towers: Central Plaza, the International Finance Center and Hong Kong's tallest building, the 1, 588-foot (484-meter) International Commerce Center.

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And do not miss the Yuen Po Street Bird Garden, Flower Market Road or the Hong Kong skyline view from Inakaya restaurant on the 101st floor of the International Commerce Centre (acrophobics need not apply).

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The trusts are run from Chicago, yet have a legal presence in the Bahamas, where they have a Bahamian trustee--the Canadian Imperial Bank of Commerce Trust Co. (Bahamas)--but engage the Chicago-based International Financial Advisors (IFA) for accounting, administrative work and financial advice.

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