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.
Okla. Stat. tit. 11, § 13-106