(a) A broker who complies with the written consent requirements of Section 1101.559 may appoint:
(1) a license holder associated with the broker to communicate with and carry out instructions of one party to a real estate transaction; and
(2) another license holder associated with the broker to communicate with and carry out instructions of any other party to the transaction.
(b) A license holder may be appointed under this section only if:
(1) the written consent of the parties under Section 1101.559 authorizes the broker to make the appointment; and
(2) the broker provides written notice of the appointment to all parties involved in the real estate transaction.
(c) A license holder appointed under this section may provide opinions and advice during negotiations to the party to whom the license holder is appointed.