Iowa Code § 515.19: Advancement of funds.

Any director, officer, or member of any such mutual company, or any other person, may advance to such company, any sum or sums of money necessary for the purpose of its business, or to enable it to comply with any of the requirements of the law, and such moneys and such interest thereon as may have been agreed upon, not exceeding the maximum statutory rate of interest, shall not be a liability or claim against the company or any of its assets, except as provided in this chapter, and upon approval of the commissioner of insurance may be repaid, but only out of the surplus earnings of such company. No commission or promotion expenses shall be paid in connection with the advance of any such money to the company. The amount of such advance shall be reported in each annual statement.