Oklahoma Statutes § 1-101 General elections

On the first Tuesday succeeding the first Monday of November, 1976, and every four (4) years thereafter, a General Election shall be held, at which time electors for President and Vice President shall be elected. On said date, and every two (2) years thereafter, United States Senators and United States Representatives, whose terms expire before the next succeeding General Election, and state, district and county officers, whose terms expire before the next succeeding General Election, shall be elected. No county, municipality or school district shall schedule an election on any date during the twenty (20) days immediately preceding the date of any such General Election.