Congress of CampecheThe Congress of the State of Campeche is the legislature of Campeche, a state of Mexico. The Congress is unicameral. The legislature was established on 2 March 1861.Electoral systemThere are 35 seats, 21 deputies are elected with first-past-the-post in single-member districts and 14 are elected through proportional representation. The chamber is renewed every three years.AuthorityThe authority of the Congress is stated in Chapter XI, Article 29 of the Political Constitution of the State of Campeche.