No insurance company organized as a stock or mutual corporation that merges or consolidates with, acquires ownership or control or possession of twenty percent (20%) or greater of the operating assets of, or otherwise acquires control of a nonprofit hospital service corporation organized under this chapter, a nonprofit medical service corporation organized under chapter 20 of this title, or a health maintenance organization organized under chapter 41 of this title, may: (1) File with any state agency for review or approval any proposed rate to be used by the company in the state, or (2) Charge to any party in the state any rate or premium that takes into account or reflects in any manner the value of any contribution, distribution, or allocation the company expends or incurs in establishing or funding a charitable foundation organized to maintain or otherwise account for the assets of a nonprofit hospital service corporation, nonprofit medical service corporation, or health maintenance organization. For any rate that is to be charged to policyholders, regardless of whether the rate is subject to approval by a state agency under this or another chapter, the company shall at least thirty (30) days before implementing the rate submit under oath to the commissioner of insurance an accounting that documents the cost structure on which the rate is based and demonstrates the company’s compliance with this section.