[1] It elects one deputy to the lower house of Congress for each three-year legislative session by means of the first-past-the-post system.
Votes cast in the district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the third region.
Between 1979 and 1996, Chiapas only had nine federal electoral districts; the 1996 redistricting process increased the number to 12.
[1] 2017–2022 From 2017 to 2002, the 10th district covered seven municipalities: Ángel Albino Corzo, Cintalapa, Jiquipilas, La Concordia, Montecristo de Guerrero, Villa Corzo and Villaflores.
[8] 1996–2005 Between 1996 and 2005, the district was located in a different part of Chiapas, closer to the Guatemalan border.