[1][a] It elects one deputy to the lower house of Congress for each three-year legislative period 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 fourth region.

[3][4] Guerrero lost a congressional seat in the National Electoral Institute's 2022 redistricting process.

The district covered the same area as in 2017 plan but at the time comprised only ten municipalities.

[13] The newly restored 8th district was located inland, in the north of the state.