Wyo. Stat. Ann. § 15-9-123

Bonds issued under this chapter shall be authorized by resolution or ordinance of the local governing body. The bonds may be issued in one (1) or more series and shall bear the date or dates, be payable upon demand or mature at the time or times, bear interest at the rate or rates, be in the denomination or denominations and form, either with or without coupon or registered, carry conversion or registration privileges, have the rank or priority, be executed in a manner and payable in a medium of payment at the place or places, be subject to the terms of redemption (with or without premium), be secured in the manner and have other characteristics as may be provided by the resolution or ordinance or trust indenture or mortgage issued pursuant thereto.