Wyo. Stat. § 9-4-901: Issuance; principal amount.

Whenever the state of Wyoming has outstanding bonds which are redeemable by their terms or which may be redeemed with the consent of the holders thereof, the governor, with the approval of the state treasurer and attorney general, may issue refunding bonds of the state of Wyoming to be designated "State of Wyoming Refunding Bonds, Series (year)", in a principal amount not exceeding the principal amount of the bonds to be refunded.