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National Congress of Argentina

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The Congress of the Argentine Nation (Spanish: Congreso de la Nación Argentina) is the legislative branch of the government of Argentina. Its composition is bicameral, constituted by a 72-seat Senate and a 257-seat Chamber of Deputies. The Senate, whose members are elected to six-year terms, consists of three representatives from each province and the federal capital. The Chamber of Deputies, whose members are elected to four-year terms, is apportioned according to population.

Argentine National Congress

Congreso de la Nación Argentina
Coat of arms of Argentina.svg
Chamber of Deputies
Seats329 members
Senado de la Nación 2018.svg
Senate political groups
Government (25)

Opposition (47)

Cámara de Diputados de la Nación 2018.svg
Chamber of Deputies political groups
Government (108)

Opposition (149)

Senate last election
22 October 2017
Chamber of Deputies last election
22 October 2017
Meeting place
Argentine National Congress (Pedestrians digitally removed) (8081437098).jpg
Argentine National Congress Palace
Buenos Aires, Argentina
Congreso de la Nación (in Spanish)

The Congressional Palace is located in Buenos Aires, at the western end of Avenida de Mayo (at the other end of which is located the Casa Rosada). The Kilometre Zero for all Argentine National Highways is marked on a milestone at the Congressional Plaza, next to the building.


The Argentine National Congress is bicameral, composed of the Senate and the Chamber of Deputies. The ordinary sessions span is from March 1 to November 30; the President of Argentina is entitled to convene extraordinary sessions during the recess, if needed.[2] Senators and deputies enjoy parliamentary immunity during their mandates, which may be revoked by their peers if a senator or deputy is caught in flagrante, in the midst of committing a crime.[3]

The Congress rules the Central Bank of Argentina,[4] manages internal and external debt payment,[5] and the value of national currency[6] (currently the Argentine peso). It rules the legal codes on Civil, Commercial, Penal, Minery, Work and Social Welfare affairs, all of which cannot be in contradiction with the respective provincial codes.[7] Any changes on national or provincial limits, or the creation of new provinces, ought to be allowed by the Congress.[8]

The Congress is entitled to approve or reject every international treaty that Argentina signs with other states or international organizations. When approved, the treaties acquire priority over ordinary legislation.[9] Declarations of war and the signing of peace,[10] as well as the mobilization of the national troops, within or outside of the Argentine territory[11] must be allowed by the Congress. The Chamber of Deputies is the lower House of the National Congress. It holds exclusive rights to set taxes and customs; to draft troops; and to accuse the President, Ministers, and members of the Supreme Court before the Senate. Additionally, the Chamber of Deputies receives for consideration bills presented by popular initiative.

The Senate is the upper House of the National Congress. It must obtain quorum to deliberate, this being an absolute majority. It has the power to approve bills passed by the Chamber of Deputies, call for joint sessions with the Lower House or special sessions with experts and interested parties, and submit bills for the president's signature; bills introduced in the Senate must, in turn, be approved by the Lower House for their submittal to the president. The Senate must introduce any changes to federal revenue sharing policies, ratify international treaties, approve changes to constitutional or federal criminal laws, as well as confirm or impeach presidential nominees to the cabinet, the judiciary, the armed forces, and the diplomatic corps, among other federal posts.


From 1976 to 1983, the Congressional Palace of Argentina housed the CAL (Legislative Advisory Commission), a group of officers from the three Armed Forces. Commissioned to review and discuss laws before they were issued by the Executive Branch, they served a succession of de facto military presidents during the National Reorganization Process. In practice, this became a mechanism to detect and discuss the differences between the three commanders-in-chief of the Army, Navy, and Air Force regarding a specific project. The CAL was established by the Acta del Proceso de Reorganización Nacional (National Reorganization Process Act), the guiding document for the military government established after the coup d'état of March 24, 1976.

Following a 1994 reform of the Constitution, the Senate was expanded from 48 members (two per province or district) to 72 members, whereby the party garnering second place in elections for Senator would be assured the third seat for the corresponding province.

See alsoEdit


  • "National Constitution of Argentina". Constitution of Argentina (in Spanish). Archived from the original on 2004-06-17.


  1. ^ The deputy Julio de Vido was suspended according to Article 70 of the National Constitution.
  2. ^ Argentine Constitution, art. 63
  3. ^ Argentine Constitution, art. 69
  4. ^ Argentine Constitution, art. 75, i.6
  5. ^ Argentine Constitution, art. 75, i.7
  6. ^ Argentine Constitution, art. 75, i.11
  7. ^ Argentine Constitution, art. 75, i.12
  8. ^ Argentine Constitution, art. 75, i.15
  9. ^ Argentine Constitution, art. 75, i.22
  10. ^ Argentine Constitution, art. 75, i.25
  11. ^ Argentine Constitution, art. 75, i.28

External linksEdit