Final answer:
Article 16 of the NAR's code of ethics states that information in MLS cannot be used for personal gain.
Step-by-step explanation:
Article 16 of the NAR's code of ethics states that information in MLS (Multiple Listing Service) cannot be used for Personal Gain. This means that real estate professionals are not allowed to use the information on MLS to benefit themselves financially. The information in MLS is meant for the purpose of providing accurate data to buyers, sellers, and other real estate professionals, and should not be used for personal profit.