Okla. Stat. tit. 11, § 11-16-308: Election of municipal officers

A person present at the meeting electing him or her to municipal

office shall be treated as accepting, unless he or she declines

before the meeting is adjourned. When not present, he or she shall

be served as soon as possible with a written notice of election,

signed and mailed by the municipal clerk. No person elected shall

assume the duties of the office until he or she has signed the oath

of office as required by law.