Indiana Code Title 27. Insurance § 27-1-20-31

Sec. 31. Insurance corporations may have interlocking directorates, provided no person at the same time shall be a director in two (2) or more insurance corporations where the effect may be to substantially lessen competition generally or tend to create a monopoly.  Whenever the commissioner of insurance has reason to believe that there is a violation of this section, he shall have the authority to proceed to an adjudication of the violation under IC 4-21.5-3.