During the last session of the Senate, MAS representatives enacted changes to internal regulations that resulted in elimination of the need for two-thirds of the votes. Future decisions such as military promotions, ambassadorial appointments, creation of special investigative commissions, challenging the election of deputies and senators, changing the agenda or ending the debate on a law now only require a majority vote.
According to this Spanish-language article, "Contiocap denounces before the national public opinion the arbitrary and undemocratic attempt of the MAS to annul the 2/3 required in the ALP for the approval of specific norms and to do so by majority absolute using his parliamentary roll, "denounced Alex Villca, spokesman for Contiocap (National Coordinator of Rights of Indigenous and Peasant Territories and Protected Areas).”