No grand jury shall be convened or remain in session during a period beginning thirty (30) days before any Primary, Runoff Primary, or General Election, for state or county offices, and ending ten (10) days after such Primary, Runoff Primary, or General Election. Any grand jury in session at the commencement of any such period shall be discharged forthwith. The provisions of this section shall not apply to a multicounty grand jury convened pursuant to the Multicounty Grand Jury Act, Section 350 et seq. of this title.
Okla. Stat. tit. 22, § 345