The tax-avoidance method involves structuring the arrangement as a two-week lease to the charity and treating the improvements as the payment.

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"In Texas we rely heavily on sales taxes, and if we don't protect ourselves from companies creatively structuring themselves to avoid tax collection, we're going to lose a lot of revenue, " said the author of the Texas bill, Republican Rep. John Otto.

WSJ: Large Retailers Push Amazon on Taxes

Deutsche is making the most of a byzantine fiscal regime by structuring its new subsidiaries as tax-efficient limited partnerships registered in Eschborn, near Frankfurt.

ECONOMIST: German banking��s industrial revolution