87.11D  Payment of examination expenses by the self-insured employer.
  The commissioner of insurance, upon the completion of an examination, or at such regular intervals prior to completion as the commissioner determines, shall prepare an account of the costs incurred in performing and preparing the report of such examinations which shall be charged to and paid by the self-insured employer examined, and upon failure or refusal of any self-insured employer to pay such a charge, the amount of the charge may be recovered in an action brought in the name of the state, and the commissioner may also revoke the employer’s exemption under section 87.11. All fees collected in connection with an examination shall be paid into the general fund.
91 Acts, ch 160, §8; 94 Acts, ch 1107, §5