Okla. Stat. tit. 11, § 11-12-102: Governing body - Board of trustees - Terms

The town board of trustees shall consist of either three (3) or

five (5) trustees who shall be nominated from wards or at large and

elected at large. The governing body may submit to the voters the

question of whether the town board shall consist of either three (3)

or five (5) trustees. If approved, the election of trustees to fill

any new positions shall take place at the time set by the town board

but no later than the next regular municipal election. The terms of

the new trustees shall be staggered as provided for in Sections 16-

205 and 16-206 of this title.