tp://cnsnews.com/node/68094How Buffett Saves Billions On His Tax Returnhttp://www.forbes.com/sites/greatspeculations/2011/08/17/how-buffett-saves-billions-on-his-tax-return/Implementing Warren Buffett's GiftThe foundation must continue to satisfy the legal requirements qualifying Warren???s gift as charitable, exempt from gift or other taxes.http://www.gatesfoundation.org/about/Pages/implementing-