http://www.reuters.com/article/2013/05/31/us-usa-tax-checkthebox-insight-idUSBRE94T17K20130531
......The story of the "check the box" loophole, which allows U.S. companies to choose for themselves how to classify their subsidiaries for tax purposes, and a companion policy known as the "look-through" rule, shows how Washington bureaucrats, lobbyists and politicians have worked together — sometimes wittingly - to save money for American corporations and deprive the federal government of billions in tax revenue each year.
What began in 1996 as an effort by the Treasury Department to simplify the U.S. tax code mistakenly ended up as a massive tax loophole for corporate America, which seized upon it and has never let go......
