The township board of any township in a county which has not voted to adopt countywide planning or zoning pursuant to the provisions of sections 64.510 to 64.695, or sections 64.800 to 64.905, may, on its own motion, and shall, upon a petition signed by a number of qualified voters in the county equal to five percent of the total vote for governor in such township at the most recent general election at which a governor was elected, submit to a vote of the voters of the township a proposition adopting township planning and zoning under the provisions of sections 65.650 to 65.700. The township planning and zoning proposal shall provide for the preparation, adoption, amendment, extension and carrying out of a township plan for all areas of the township outside the corporate limits of any city, town or village which has adopted a city plan in accordance with the laws of the state. Upon the adoption of the township plan there is created in that township a township planning commission as provided in sections 65.650 to 65.700.
§ 65.650, RSMo