Upon receipt by the court clerk of a certification of the number of qualified electors who have signed a petition for grand jury, the presiding district judge shall determine whether or not that number meets the requirement of a grand jury petition pursuant to Section 18 of Article II of the Oklahoma Constitution. Should such number be sufficient, and should all other requirements stated above be met, the presiding district judge shall order the impaneling of a grand jury to convene within thirty (30) days of the date the certification was received by the court clerk from the election board.
Okla. Stat. tit. 38, § 107