Section 169.750 - Indemnification permitted, when - insurance or indemnity policies authorized1. To the extent determined appropriate by the board of trustees, the retirement systems established under sections 169.020 and 169.610 may indemnify and protect any trustee or employee of the retirement system against any or all claims or liabilities, including defense thereof, arising out of his or her responsibilities with respect to the retirement system provided, however, that no trustee or employee shall be indemnified for his or her own gross negligence or willful misconduct. This section shall apply whether the claim is made against the employee or trustee in his or her individual or official capacity.2. The board of trustees is authorized to obtain and maintain insurance or indemnity policies to insure the trustees and employees of the retirement system against any liability or losses incurred as a result of their responsibilities with respect to the retirement system.3. No employee or trustee shall be entitled to indemnification under this section unless within fifteen days after receipt of service of process he or she shall give written notice of such proceeding to the board of trustees.