The boards of commissioners of the various levee districts may execute commercial leases of not over three years duration, except as provided in R.S. 38:320 on lands respectively owned or which may hereafter be acquired by the levee districts and levee and drainage districts for a cash consideration under the terms and conditions which the boards of commissioners of the levee districts and levee and drainage districts may deem best. The lease shall be subordinate to any lease hereafter made of the lands for oil, gas, or mineral development.
La. R.S. § 38:302