[6] It was formed of three members and three deputies, all chosen by the Legislative Assembly for a period of three years from lists proposed by the Supreme Court and the executive branch.

[1] In April 1991, during the negotiations between the government of El Salvador and the Farabundo Martí National Liberation Front to end the Salvadoran Civil War, an agreement was reached to reform various articles of the Constitution.

Whilst the International Foundation for Electoral Systems' observers found that "the El Salvador voting process was conducted in an orderly, peaceful and transparent fashion which permitted the popular will of the Salvadoran people to be expressed",[13] concerns were also raised about the number of voter applications the Court rejected, often due to lack of documentation.

[13] Whilst efforts started towards this process in 1994, it was not until the 2004 elections that the Unique Identity Document (Spanish: Documento Único de Identidad) substituted the previous electoral cards.

[16] In 2019, Dora Esmeralda Martínez de Barahona, was chosen as the first woman President of the Court, after being proposed by the Grand Alliance for National Unity.