It was established under Republic Act No. 1793 on June 21, 1957 during the term of then President Carlos P. Garcia and re-constituted under Batas Pambansa Blg. 884 (National Law No. 884) on December 3, 1985 during the term of then President Ferdinand Marcos.[2]
Members of the Tribunal receive a monthly allowance of 100,000 Philippine pesos on top of their regular salary.[3]
Loren Legarda vs. Noli de Castro (2004): The tribunal dismissed Legarda's petition after a retabulation didn't affect the result, and after she ran for a Senate seat in 2007 and won.[4]
Mar Roxas vs. Jejomar Binay (2010): The tribunal dismissed Roxas' petition in 2016 after Binay's term ended in 2016 without the case being resolved.[5]
Bongbong Marcos vs. Leni Robredo (2016): The tribunal dismissed Marcos' petition in 2021 after the pilot recount of the chosen provinces of Negros Oriental, Iloilo, and Camarines Sur which resulted in Robredo widening her lead even more by 15,093 additional votes.[6]