(a) The act or acts of transporting, delivering, selling, or otherwise making available natural gas for fuel, either directly or indirectly, to an owner of an irrigation well, or the sale, transportation, or delivery of natural gas for any other direct use in an agricultural activity, does not make a person a gas utility or make the person subject to the jurisdiction, control, and regulation of the railroad commission as a gas utility.
(b) In order for a person furnishing natural gas to qualify for the exemption under Subsection (a), the person to whom the gas was furnished under Subsection (a) shall use the gas exclusively to pump water for farm and other agricultural purposes.