All leases executed after May 3, 1935, with respect to educational lands shall contain a covenant to the effect that no prairie lands shall be broken without written permission authorized by the Board of Educational Lands and Funds.
Source:Laws 1935, c. 163, § 16, p. 609; C.S.Supp.,1941, § 72-223; R.S.1943, § 72-246; Laws 1999, LB 779, § 41.