Tex. Occupations Code § 1101.651

(a) A licensed broker may not pay a commission to or otherwise compensate a person directly or indirectly for performing an act of a broker unless the person is:

(1) a license holder; or

(2) a real estate broker licensed in another state who does not conduct in this state any of the negotiations for which the commission or other compensation is paid.

(b) A sales agent may not accept compensation for a real estate transaction from a person other than the broker that is sponsoring the sales agent or was sponsoring the sales agent when the sales agent earned the compensation.

(c) A sales agent may not pay a commission to a person except through the broker that is sponsoring the sales agent at that time.

(d) A broker and any broker or sales agent appointed under Section 1101.560 who acts as an intermediary under Subchapter L may not:

(1) disclose to the buyer or tenant that the seller or landlord will accept a price less than the asking price, unless otherwise instructed in a separate writing by the seller or landlord;

(2) disclose to the seller or landlord that the buyer or tenant will pay a price greater than the price submitted in a written offer to the seller or landlord, unless otherwise instructed in a separate writing by the buyer or tenant;

(3) disclose any confidential information or any information a party specifically instructs the broker or sales agent in writing not to disclose, unless:

(A) the broker or sales agent is otherwise instructed in a separate writing by the respective party;

(B) the broker or sales agent is required to disclose the information by this chapter or a court order; or

(C) the information materially relates to the condition of the property;

(4) treat a party to a transaction dishonestly; or

(5) violate this chapter.