Also, the Commission is not "retroactively imposing taxes". There are treaties, which Luxembourg signed and agreed to, which state that you can't give preferential tax treatment to specific companies. Which means that this isn't a case of somebody making up a new tax and applying it retroactively; this is a case of someone *breaking the law* and getting punished for it. Which sounds absolutely fine to me.
Amazon told to repay €250m in 'unfair state aid' from Luxembourg
The European Commission has ordered Amazon to repay €250m (£222m) for benefiting from illegal and unfair state aid courtesy of Luxembourg. A ruling in the tiny Euro nation reduced Amazon's tax bill for more than eight years, from May 2006 to June 2014. But the commission today decided that tax break was not justified. Amazon …