Okla. Stat. tit. 11, § 11-44-101: Board of adjustment - Appointment

Where a municipality is exercising zoning powers, as conferred

by Sections 43-101 through 43-109 of this title, the governing body

of the municipality shall provide by ordinance for the appointment

of a Board of Adjustment. The board of adjustment shall consist of

five (5) members, each to be appointed for a term of three (3) years

and removable for cause by the governing body, upon written charges

and after public hearing. Vacancies shall be filled for the

unexpired term of any member whose term becomes vacant.