Wyo. Stat. § 41-9-241
At the time of confirmation of any assessment provided for by chapter 76, Wyoming Compiled Statutes 1920, or acts amendatory thereof or supplemental thereto, it shall be competent for the court to order the same to be paid in installments of such amount and at such time as will be convenient for the accomplishment of the purposes for which such assessment was made, and the payment of the principal and interest of such notes or bonds of said district as the court shall grant authority to issue, such installments to become delinquent on the same date or dates as may be fixed by law for state and county taxes to become delinquent, and such installments shall draw interest from the date of any notes or bonds issued by the district and for the payment of which said assessments are pledged, at such rate, not to exceed seven percent (7%) per annum, as may be fixed by the court.
W.S. 41-9-241