Okla. Stat. tit. 11, § 11-13-106: Notice of charter election

Within twenty (20) days after receipt of the proposed charter

from the board of freeholders, the governing body shall publish the

proposed charter and an announcement of the date for the charter

election in a newspaper of general circulation within the

municipality once per week for three (3) consecutive weeks. The

date for the charter election shall not be less than twenty (20)

days nor more than thirty (30) days after the last publication.