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---- Amazon to End Affiliate Program in NC if Web Tax Law Passes
tangor - 6:17 am on Jun 29, 2009 (gmt 0)Thread source:: http://www.webmasterworld.com/advertising/3935267.htm
Wikipedia has an article on "state income tax" which answers part of your question. As to sales tax, I believe all states in the US collect sales taxes of some kind.
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