(a) A person may acquire an option or an interest in a contract to purchase real property and then sell or offer to sell the option or assign or offer to assign the contract without holding a license issued under this chapter if the person:
(1) does not use the option or contract to purchase to engage in real estate brokerage; and
(2) discloses in writing the nature of the equitable interest to any seller or potential buyer.
(b) A person selling or offering to sell an option or assigning or offering to assign an interest in a contract to purchase real property without disclosing the nature of that interest as provided by Subsection (a)(2) is engaging in real estate brokerage.