The board has the power to deny, revoke, or suspend any registration issued by the administrator of professional regulation or applied for in accordance with this chapter or to discipline a licensed clinical mental health counselor and/or a licensed marriage and family therapist upon proof that the person:

(1)  Is guilty of fraud or deceit in procuring or attempting to procure a registration;

(2)  Is guilty of a felony or of a crime of immorality;

(3)  Is habitually intemperate or is addicted to the use of habit-forming drugs;

(4)  Is mentally incompetent;

(5)  Has willfully or repeatedly violated any of the provisions of this chapter;

(6)  Is habitually negligent in the performance of his or her duties;

(7)  Has willfully or repeatedly violated any of the ethical principles governing mental health counselors and marriage and family therapists and the practice of mental health counseling and marriage and family therapy, as adopted by the board, and in force at the time a charge is made and determined by the board, regardless of whether or not the person is a member of any national, regional, or state professional association; provided, that the ethical principles are of a nationally-recognized standard of the respective national professional organization.