Okla. Stat. tit. 11, § 11-8-102: Term of office

Unless otherwise provided for by law, the term of office of an

elected municipal official shall be four (4) years. The term of

office of an elected official shall begin at 12:00 noon on the

second Monday following the general municipal election, and such

official shall serve until his successor is elected and qualified.

If a newly elected official does not qualify within thirty (30) days

after his term of office begins, the office shall become vacant and

shall be filled in the manner provided by law. In order to complete

the unexpired term, the office of an official who is holding over

shall be filled at the next general election in compliance with the

provisions of Sections 16-101 through 16-213 of this title.