The assembly is bicameral, consisting of a lower house (the Chamber of Deputies or "Cámara de Diputados)" and an upper house (the Chamber of Senators, or "Cámara de Senadores)". The Vice President of Bolivia also serves as the President of the Plurinational Legislative Assembly. Each house elects its own directorate: a President, first and second Vice Presidents, and three or four Secretaries (for the Senate and the Chamber of Deputies, respectively). Each party is said to have a seat () consisting of its legislators. The representatives of each department comprise a brigade ("brigada"). Each house considers legislation in standing committees.