Wyo. Stat. § 18-12-118: Notice of apportionment; assessment roll.

(a) A copy of the resolution as finally adopted shall be recorded by the county clerk who shall within sixty (60) days after the adoption of the resolution by written notice, mailed or otherwise delivered, notify each owner of property to be assessed of the amount of assessment, the purpose for which the levy is made, the tax against each lot or parcel of land, and the date it becomes delinquent. The county clerk shall also notify each owner of property the amount of any operation and maintenance charges to be assessed within sixty (60) days after the assessment is approved by the board of county commissioners under W.S. 18-12-112(a)(xxi).

(b) The county assessor shall prepare a local assessment roll showing land assessed, the total amount of assessment and operation and maintenance charges if approved under W.S. 18-12-112(a)(xxi), the amount of each installment of principal and interest if the same is payable in installments, and the date when each installment will become due, and deliver the same, duly certified, to the county treasurer for collection.