The Senate, a third of whose members are elected to six-year renewable terms every two years, consists of three representatives from each province and the federal capital.

[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 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.

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.