Wálter Guevara Arze was inaugurated on 8 August 1979 as Provisional President of Bolivia and formed his cabinet on 9 August 1979.
| Ministry / Date | 09.08.1979[1] | 13.08.1979[2] | 12.10.1979[3] | |
|---|---|---|---|---|
| Foreign and Religious Affaire | Gustavo Fernández Saavedra, ind | |||
| Interior, Migration and Justice | Jaime Aranibar Guevara, PRA | |||
| National Defense | Ismaél Saavedra Sandoval, mil | Julio Herrera, mil | ||
| Planning and Co-ordination | Carlos Miranda Pacheco, ind | |||
| Finance | Guido Hinojosa C., ind | |||
| Education and Culture | Mariano Baptista Gumucio, MNR | |||
| Transport, Communications and Aviation | Raúl Anze Tapia, ind | |||
| Labor and Union Affairs | Mario Calderón Mendieta, PRA | |||
| Industry, Commerce and Tourism | vacancy | Tomás Guillermo Elío, PSD | ||
| Mining and Metallurgy | Hugo Zapata, ind | Oscar Bonifaz Gutierrez, PDC | ||
| Energy and Hydrocarbons | Jorge O'Connor D'Arlach, MIR | |||
| Agriculture and Peasant Affairs | Carmelo Caballero Contreras, ind | |||
| Health and Social Security | Jorge Abularach, ind | |||
| Housing and Urbanism | vacancy | Guillermo Arroyo Rodríguez, ind | ||
| Economic Integration | Fernándo Gutierrez Moscoso, ind | |||
| Press and Information | Enrique Rocha Monrroy, ind | Ana Maria Romero de Campero, ind | ||
| Secretary to the Cabinet | vacancy | René Canelas López, ind | Fernando Aguirre Bastos, ind | |
| Social Affairs | no | no | René Canelas López, ind |
PRA – Authentic Revolutionary Party
MNR – Revolutionary Nationalist Movement
PDC – Christian Democratic Party
MIR – Revolutionary Left Movement
PSD – Social Democratic Party
mil – military
ind – independent