Okla. Stat. tit. 38 § 106
Upon the obtaining of the signatures, and within the forty-five day time limitation provided in Section 3 of this act, the completed petitions shall be filed with the court clerk. The court clerk shall copy said petitions and deliver the originals on the next business day, excluding Saturdays, Sundays and holidays, to the election board. Upon the delivery of said petitions to the election board, the board shall have seven (7) business days, excluding Saturdays, Sundays and holidays, to determine how many of the signers of said petitions are qualified electors within the county and shall return, not later than the seventh business day, excluding Saturdays, Sundays and holidays, the original petitions to the court clerk together with a certification of the number of such signers who are qualified electors within the county.
Okla. Stat. tit. 38, § 106