According to the Political Constitution of the Free and Sovereign State of Chihuahua, Executive Power in that Mexican state resides with a single individual, the Governor of the Free and Sovereign State of Chihuahua, who is chosen for a period of six years and cannot for any reason be re-elected. The term of governor begins on October 4 of the year of the election and finishes on October 3 after six years have elapsed. Gubernatorial elections are held two years prior to presidential elections.