 2006 Panama Canal expansion referendum

The Panama Canal expansion referendum was held on October 22, 2006, when the citizens of Panama approved the Panama Canal expansion project by a wide margin.According to article 325 of the Panamanian Constitution, any proposal for the construction of a third set of locks or a sea-level Canal on the existing route that the Panama Canal Authority (ACP) proposes has to be approved by the executive branch and submitted to the National Assembly for its approval or rejection.