From the sign-up and event creation pages, only Americans with a valid zip code need apply.

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These provisions exist in the tax code for good and valid reasons, and are in no way out of the mainstream of tax policies applied to any other business segment.

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Microsoft lawyers have argued in court that there is no valid technological or legal distinction between digital music and software code.

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"If customers use this option believing that having their underpayment coded out is still a valid option, we will show any underpayment in their PAYE tax code if they contact us and ask us to do so, " said the Revenue.

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An S corporation, for United States federal income tax purposes, is a corporation that makes a valid election to be taxed under Subchapter S of Chapter 1 of the Internal Revenue Code.

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If it is not completely open source with code open for public inspection and comment, then is can not be a valid way to collect votes.

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The code, which could be acquired by taking a short survey, is no longer valid.

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