Okla. Stat. tit. 26, § 26-5-116: Withdrawals from runoff primary

A candidate in a Runoff Primary Election may withdraw as a

candidate upon the filing of a written notice of withdrawal as a

candidate with the secretary of the election board which accepted

said candidate's declaration of candidacy. Said notice shall be

signed by the candidate or the lawfully appointed personal

representative or a lawfully appointed special administrator of any

deceased candidate, whose signature shall be notarized by a notary

public, and shall be filed on or before 5:00 p.m. on the Friday

following the date of the Primary Election.