Case C-323/12: Judgment of the Court (Tenth Chamber) of 6 February 2014 (request for a preliminary ruling from the Curtea de Apel București (Romania)) — E. ON Global Commodities SE, formerly E.ON Energy Trading SE v Agenția Națională de Administrare Fiscală — Direcția Generală de Soluționare a Contestațiilor, Direcția Generală a Finanțelor Publice a Municipiului București — Serviciul de administrare a contribuabililor nerezidenți (Directive 79/1072/EEC — Common system of value added tax — Taxable persons residing in another Member State — Rules for refund of VAT — Taxable persons designating a tax representative in accordance with provisions of national law preceding accession to the European Union — Precluded — Meaning of ‘taxable person not established in the territory of the country’ — Condition of not being established — Condition of no supply of goods or services — Supplies of electricity to taxable dealers — Directive 2006/112/EC — Article 171)