To unite real estate licensees of the state of IOWA and local boards of realtors for the purpose of exerting effectively a combined influence UPON matters affecting real estate to elevate the standards of the real estate business throughout the state (see schedule o). And the professional conduct of persons engaged therein. To assist its members in improving and making more efficient their business by the adoption of services, rules and regulations as may be deemed proper. To assist in the enforcement of the code of IOWA, particularly as to those portions thereof regulating to the practices and operations of the real estate brokers and salespersons. To educate and inform members on issues. To support public policy and public officials relating to real estate.