Okla. Stat. tit. 26, § 26-1-101: 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.