36-6-203. Rules and regulations; requisites of leases or contracts. (a) Any such governing body may, in its discretion, make and establish such rules and regulations governing the issuance of such leases and contracts as are not inconsistent with the provisions of this act. Any such lease or contract: (i) Shall be entered into pursuant to resolution duly adopted by the governing body; (ii) May cover parcels of land of such size and shape as the governing body may determine; (iii) May be for a term not exceeding ten (10) years and as long thereafter as oil, gas or other hydrocarbons shall be, or can be, produced in commercial quantities from the lands included in such lease, except as such term may be extended pursuant to the provisions of W.S. 36-6-202; and (iv) Shall reserve to the governing body a royalty of not less than one-eighth of all oil, gas or other hydrocarbons produced from said lands.
Wyoming Legal Code