Vodafone (VOD +1.1%) serves India with a formal notice through its Dutch subsidiary that it...

Vodafone (VOD +1.1%) serves India with a formal notice through its Dutch subsidiary that it intends to go to arbitration over the government's plan to impose a retroactive tax of $2B on the unit's purchase of an Indian cellphone company in 2007. Vodafone argues that the tax would violate its rights under a treaty between Holland and India.