Wyo. Stat. § 41-7-317
The commissioners of the district shall fix the hour and place, within the boundaries of or at a place convenient to the landowners within the irrigation district, of each election and preside at the same. It shall be the duty of the commissioners, at least twenty (20) days prior to the date of an election, to mail to each person or corporation entitled to vote thereat, at his or its last known place of residence or business, a notice stating the time, place and purpose of such elections. Every person or corporation owning or entitled by virtue of public land filing to the possession of land situated within and being a part of any commissioner district in which an election for commissioner is being held, and upon which land no assessment for operation, maintenance or repairs is delinquent for more than four (4) years, shall be entitled to cast, for the commissioner to be elected, for the commissioner district wherein such land is situated, one (1) vote for each irrigable acre of such land assessed upon the last annual assessment of said district upon or against which land no assessment for operation, maintenance or repairs is delinquent for more than four (4) years. At the hour and place of such election the commissioners shall call the roll of those entitled to vote, and the number of votes each is entitled to cast. They shall make a record of the qualified voters present, receive all proxies and prescribe the manner of canvassing votes. All proxies shall be in writing and signed by the person or corporation entitled to vote.
W.S. 41-7-317