(1) May make such public or private investigations within or outside this state as the director deems necessary to determine whether a person has violated or is about to violate any provision of this chapter or any rule or order of the director, or to aid in the enforcement of this chapter or in the adoption of rules thereunder;
(2) May require or permit a person to file a statement in writing, under oath or otherwise as the director determines, as to all the facts and circumstances concerning the matter to be investigated;
(3) May publish information concerning any violation of this chapter or any rule or order of the director; and
(4) If the director has reason to believe that any person has been engaged or is engaging in any violation of this chapter, may issue an order, subject to ORS 645.215, directed to the person to cease and desist from the violation or threatened violation. [1987 c.148 §11]