060-28 Wyo. Code R. § 28-3
(a) Pursuant to W.S. 11-5-101 et seq., landowners are required to control noxious weeds or pests on their land.
(b) Holders of Grazing Leases, Special Use Leases, Mineral Leases, Easement Holders and other permit holders on state lands are required, by contract, to participate in the control of designated noxious weeds and pests.
(c) Payments from the state, for control of noxious weeds and pests on state lands, shall be made on a reimbursement basis only and following receipt of applicable invoice(s) and a completed Request for Reimbursement form. Reimbursement payments shall be made to Districts only and shall not be made to state lessees.
(d) Leafy spurge and SMP's formed with state land included shall receive priority for available funding.
060-28 Wyo. Code R. § 28-3