(b) The provisions of this section shall not be construed in any way to impair, modify or abrogate any immunity available to any officer or employee of the board of parole or former division of parole under the statutory or decisional law of the state or the United States. 5. This section shall not in any way impair, limit or modify the rights and obligations of any insurer under any policy of insurance. 6. The benefits of subdivision three hereof shall inure only to officers and employees of the board of parole or former division of parole and shall not enlarge or diminish the rights of any other party. 7. This section shall apply with respect to claims arising on or after the effective date of this section. Claims arising prior thereto shall be governed by section seventeen of the public officers law or section twenty-four of the correction law as the case may be.