(a) The annual rental for wind energy leases shall be the amount determined by the Board on an individual lease basis.
(b) At a minimum, the annual rental shall be based on fair market value as determined by the Office for the same or similar use of the land and any improvements owned by the state after an economic analysis is made. In cases where annual rental cannot be established based on fair market value for the same or similar use of the land, the minimum annual rental shall be the greater of one thousand dollars ($1000.00) or five and one-half percent (5V2%) of the appraised land value and any improvements owned by the state.
(c) All rental rates are subject to review and adjustment if specified in the wind energy lease.
(d) All rental payments are due and payable at the Office on the dates specified within the wind energy lease.
060-6 Wyo. Code R. § 6-7