In order that this state may share in the provisions of 12 U.S.C. 1749bbb, which makes available to states that qualify with its provisions a federal program of reinsurance against abnormally high property insurance losses resulting from riots and other civic commotions, the commissioner is authorized to adopt necessary regulations to qualify this state with the provisions of said federal law, but any regulations so authorized by this section shall otherwise comply with the laws of this state and be subject thereto, and such plan shall be in all respects voluntary.