According to the conduct described, that broker may have violated the Real Estate License Act. The act states that a broker is in violation of the Real Estate License Act if he or she receives compensation from more than one party to a transaction without full knowledge and consent of all parties.
Article 7 of the Code of Ethics also prohibits a REALTOR® from accepting compensation from more than one party to a transaction without disclosure to all parties and the informed consent of a REALTOR®'s client. The conduct described in this case may be a violation of Article 7, and it might also constitute a violation of Article 1, which requires that REALTORS® treat all parties honestly.