The governing body shall give at least thirty (30) days' notice of the proposal by the governing body to change the name, boundaries, or number of wards. The notice shall be published at least once. After the thirty-day notice period, the governing body may make the proposed changes by ordinance which shall be approved by a two-thirds (2/3) vote of its members.
Okla. Stat. tit. 11, § 20-103