Listed by the European Union on December 1, 2011, as an entity linked to Iran's proliferation-sensitive nuclear activities or Iran's development of nuclear weapon delivery systems; with some exceptions, European Union member states must freeze all funds and economic resources owned, held or controlled by the listed entity, and prevent funds or economic resources from being made available to it; provided electricity and piping to the Natanz and Fordow uranium enrichment sites; designed, procured and installed electrical controls for the Natanz facility in 2010.