The World Trade Organisation has ruled planemaker Boeing benefitted from an illegal tax break, amounting to a subsidy to develop its 777x passenger plane.<br /><br /> Open for business! BoeingDefense + BoeingAirplanes team up to build #777X w/ parts made in #STL Composite Center https://t.co/9m5Qq7KBuT pic.twitter.com/tnVC6nhFJJ— Boeing Defense (@BoeingDefense) 13 octobre 2016<br /><br /> The subsidy, amounting to 5.3 billion euros, came from Washington State, where Boeing’s Seattle headquarters is based, and came in the form of a lower state business tax renewed in 2013 when the company was mulling producing the plane elsewhere.<br /><br /> #WTO delivers knockout blow to #Boeing’s record-breaking subsidies with historic ruling https://t.co/UWFat62Yin pic.twitter.com/qJTi2HajdP— Airbus (@Airbus) 28 novembre 2016<br /><br /> The complaint was brought by the European Commission on Airbus’s behalf, which is also being taken to the WTO by the US acting for Boeing for similar support. The tit-for-tat complaints have been rumbling on for 12 years, and the US is considering sanctions against the EU for earlier rulings against Airbus.<br /><br /> Confused about World Trade Organization (#WTO) rulings on aircraft subsidies? This makes it “plane” simple. pic.twitter.com/rs8zVbQqKx— Airbus (@Airbus) 28 novembre 2016<br />