NAR's Code of Ethics, adopted in 1913, was one of the first codifications of ethical duties adopted by any business group. The Code ensures that consumers are served by requiring REALTORS® to cooperate with each other in furthering clients' best interests. REALTORS® are required to complete ethics training of not less than 2 hours and 30 minutes of instructional time. The training must meet specific learning objectives and criteria established by the National Association of REALTORS®.