They will, for instance, contest in court a separate demand from America's Internal Revenue Service (IRS) that UBS hand over the names of the 52, 000 American account-holders it is thought to have.

比如说，将在法庭上抗诉美国国税局要求瑞银集团交出他们认为存在的52000个账户持有人的名单的要求。

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Tax Form 1120: the U.S. Internal Revenue Service (IRS) e-File Form 1120 (the electronic version of Tax Form 1120) is based on XML.

Tax Form 1120：美国国税局(IRS)电子文件表格1120(税务表格1120的电子版)基于XML。

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The Criminal Investigative Division of Internal Revenue Service (IRS-CI) does not just investigate tax fraud, but because of their renown skills for forensic accounting they are often used by prosecutors to investigate complex financial crimes.

FORBES: Broughton -- Rented Assets And Bogus Offshore Insurance Companies

Even worse, these proposals will enormously increase the power of the Internal Revenue Service (IRS) over middle-and lower-income Americans: Because of all the conditions, tax collectors will have more reasons than ever to paw through your personal and financial lives to ensure you are complying with an already incomprehensible code.

FORBES: Fact And Comment

Now the U.S. Internal Revenue Service (IRS) has an even bigger problem: the marketing of push-the-edge and over-the-edge shelters to the masses.

FORBES: U.S. tax rackets