(a) Wind energy leases may be for any term, up to seventy-five (75) years, at the discretion of the Board.
(b) The Board shall set the term of the lease for a period that does not exceed the anticipated economic life of the lessee improvements for wind energy development.
(c) The Board may extend the lease term if the Board determines that the economic life of the proposed use has not been reached, provided:
(d) The Board shall include provisions within the wind energy lease that promote development within a reasonable time including, but not limited to, provisions which provide that the lease may be cancelled in whole or in part if development does not occur within a reasonable time.
060-6 Wyo. Code R. § 6-5