Chuquisaca is represented in the Plurinational Legislative Assembly by four senators and their substitutes elected through proportional representation. They serve five-year terms and qualify for reelection indefinitely. The current delegation comprises two senators from the Movement for Socialism (MAS-IPSP) and two from Civic Community (CC): Roberto Padilla, Trinidad Rocha, Silvia Salame, and Santiago Ticona. Their respective substitutes are: Laura Parraga, Germán Moscoso, Jorge Antonio Zamora, and Sarai Reinaga. Although the bicameral system was adopted in the 1831 Constitution and was maintained in subsequently promulgated constitutions, it can be affirmed that with the exception of very small intervals, the Senate did not, in fact, exercise its functions until the convocation of the 1882 legislature. Furthermore, due to heavy political instability and frequent military interventions since 1882, Bolivia did not experience a continuous, uninterrupted legislative session until 1982.

List of senators Legislature . Senator Party Term of office Substitute Party Term of office . Caucus . Took office Left office Took office Left office . . 2010–2015 1° René Martínez MAS 19 January 2010 18 January 2015 Hilda Saavedra MAS 19 January 2010 18 January 2015 2009 MAS 2° Nélida Sifuentes MAS 19 January 2010 11 July 2014 Ignacio Mendoza MAS 19 January 2010 25 July 2014 Ignacio Mendoza MAS 25 July 2014 18 January 2015 Silvia Alarcón MAS 5 September 2014 18 January 2015 3° David Sánchez MAS 19 January 2010 18 January 2015 Cinthia Taboada MAS 19 January 2010 18 January 2015 1° Gerald Ortiz CST 19 January 2010 21 April 2012 Jimena Torres CST 19 January 2010 30 May 2012 CN Jimena Torres CST 30 May 2012 18 January 2015 Manuel Baptista IND 15 August 2012 18 January 2015 2015–2020Titular senators were sworn in 18 January 2015:

Substitute senators were sworn in 23 January 2015: 1° Milton Barón MAS 18 January 2015 3 November 2020 Delina Cumandiri MAS 23 January 2015 3 November 2020 2014 MAS 2° Nélida Sifuentes MAS 18 January 2015 23 January 2019 Valeriano Aguirre MAS 23 January 2015 6 February 2019 Valeriano Aguirre MAS 6 February 2019 3 November 2020 María Oporto MAS 26 March 2019 3 November 2020 3° Omar Aguilar MAS 18 January 2015 3 November 2020 Janeth Felípez MAS 23 January 2015 3 November 2020 1° Patricia Gómez PDC 18 January 2015 3 November 2020 Jorge Ordóñez MNR 23 January 2015 3 November 2020 PDC 2020–2025Titular senators were sworn in 3 November 2020:

Substitute senators were sworn in 9 November: 1° Roberto Padilla MAS 3 November 2020 Incumbent Laura Parraga MAS 9 November 2020 Incumbent 2020 MAS 2° Trinidad Rocha MAS 3 November 2020 Incumbent Germán Moscoso MAS 9 November 2020 Incumbent 1° Silvia Salame IND 3 November 2020 Incumbent Jorge A. Zamora IND 9 November 2020 Incumbent CC 2° Santiago Ticona FRI 3 November 2020 Incumbent Sarai Reinaga IND 9 November 2020 Incumbent

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