The Chamber of Deputies (), officially the Honorable Chamber of Deputies of the Argentine Nation, is the lower house of the Argentine National Congress (). It is made up of 257 national deputies who are elected in multi-member constituencies corresponding with the territories of the 23 provinces of Argentina (plus the Federal Capital) by party list proportional representation. Elections to the Chamber are held every two years, so that half of its members are up in each election, making it a rare example of staggered elections used in a lower house. The Constitution of Argentina lays out certain attributions that are unique to the Chamber of Deputies. The Chamber holds exclusive rights to levy taxes; to draft troops; and to accuse the President, cabinet ministers, and members of the Supreme Court before the Senate. Additionally, the Chamber of Deputies receives for consideration bills presented by popular initiative. The Chamber of Deputies is presided over by the President of the Chamber (), who is deputized by three Vice Presidents. All of them are elected by the chamber itself. Current composition It has 257 seats and one-half of the members are elected every two years to serve four-year terms by the people of each district (23 provinces and the Autonomous City of Buenos Aires) using proportional representation, D'Hondt formula with a 3% of the district registered voters threshold, and the following distribution: By province By political groups 130 of the current members of the Chamber of Deputies for the 2021–2023 period were elected in 2019 legislative election, while the remaining 127 were elected in 2021. The governing Frente de Todos coalition, to which President Alberto Fernández belongs, holds the first minority with 118 deputies, while the biggest opposition alliance, Juntos por el Cambio, counts with 117 – spread across 10 parliamentary blocs. In addition, a number of provincial parties and alliances count with representation, while smaller parties (such as the leftist Workers' Left Front, the libertarian Avanza Libertad and La Libertad Avanza fronts, and the minor SER party) count with minimal representation. Requirements Individuals elected to congress must be at least twenty five years old with at least four years of active citizenship and it has to be naturalized in the province that is being elected to or at least have two years of immediate residency in said province. (Art. 48 of the Argentine Constitution). History The Chamber of Deputies was provided