Section 71.010 - Lease Term(a) No primary term of a lease other than a lease for coal and lignite made under this subchapter may be for a period of more than 10 years from the date of the execution and approval of the lease.(b) No primary term for a coal and lignite lease made under this subchapter may be for a period of more than 35 years from the date of execution.Tex. Nat. Res. Code § 71.010
Acts 1977, 65th Leg., p. 2505, ch. 871, art. I, Sec. 1, eff. 9/1/1977.