Final answer:
The minimum standard of conduct for a real estate professional is outlined in the NAR code of ethics.
Step-by-step explanation:
The minimum standard of conduct for a real estate professional can be found in the NAR code of ethics. The National Association of Realtors (NAR) has established a set of ethical standards that all real estate professionals who are members of NAR are required to follow. This code of ethics outlines principles and guidelines for professional behavior, integrity, and client representation. It includes provisions related to honesty, disclosure of information, confidentiality, and fair treatment of all parties involved in a real estate transaction.