060-5 Wyo. Code R. § 5-7
(a) The annual rental for special use leases shall be: However, in no event shall the rental be less than the minimum rate as established in subsection (b).
(b) The minimum annual rental shall be based on fair market value 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 can not be established based on fair market value for the same or similar use of the land, the minimum rental shall not be less than $250.00 or 51/2% of the appraised land value and any improvements owned by the State.
(c) All rental rates are subject to review and adjustment as specified in the special use lease.
(d) Upon notice provided not less than thirty (30) days prior to the anniversary date of a lease, all rentals accruing to the state, except those for the first year, shall become due and payable at the Office on the anniversary date of the lease. If the rent is not paid on the anniversary date, the Director shall notify the lessee or his authorized agent by certified mail that the lease will be cancelled if the rent and late fee equal to ten percent (10%) of the annual rental is not received within thirty days following the date of the notice.
060-5 Wyo. Code R. § 5-7