Politics of Costa Rica approved in 1969 limits presidents and deputies to one term, although a deputy may run again for an Assembly seat after sitting out a term. The prohibition was officially recognized as unconstitutional in April 2004, allowing Óscar Arias to run for President a second time in the 2006 Costa Rican presidential elections, which he won with approximately a 1% margin. The President of Costa Rica has limited powers, particularly in comparison to other Latin American Presidents. For example, he cannot veto the legislative budget, and thus Congress is sovereign over the year's single most important piece of legislation. On the
2010 Costa Rican general election become Costa Rica's first female president. With approximately 40% of the vote counted, Chinchilla was consistently surpassing the 40% threshold for victory in the first round, leading Solis by 47% to 24%, with third-placed candidate Otto Guevara trailing at 21.5%. Bruce M. Wilson and Juan Carlos Rodríguez-Cordero: "The general election in Costa Rica, February 2010". In Electoral Studies, Volume 30, Issue 1, March 2011, pages 231-234. 2010 Costa Rican general election Costa Rica held parliamentary and presidential elections on 7 February 2010. The ruling party before the election, the center-left National Liberation Party, put forward former Vice-President Laura Chinchilla as