Dilma Rousseff run for president. She was elected in a run-off on 31 October 2010, beating Brazilian Social Democracy Party (PSDB) candidate José Serra. On 26 October 2014 she won a narrow second-round victory over Aécio Neves, also of the PSDB. Impeachment proceedings against Rousseff began in the Chamber of Deputies on 3 December 2015. On 12 May 2016, the Senate of Brazil suspended President Rousseff's powers and duties for up to six months or until the Senate decided whether to remove her from office or to acquit her. Vice President Michel Temer assumed her powers and duties as Acting President of
Impeachment of Dilma Rousseff stressed the company's financial health. She stepped down from the Petrobras board only in February 2015. Some international companies were chosen to be encouraged and, thereafter participated in unrealistic bids to drain the state-owned company, giving back much of the value through seemingly licit donations. It was alleged that statements taken from the accused in Operation Car Wash suggested that Lula and Rousseff had known of the bribery scheme in Petrobras. Rousseff issued six unnumbered decrees in 2014 and 2015 that allocated funds to social programs, allegedly for political purposes, without authorization from Congress. These totaled R$18.5 billion (US$6.9 billion)