W. Va. Code § 30-3-10a
(a) There is hereby established a special volunteer medical license for physicians retired or retiring from the active practice of medicine who wish to donate their expertise for the medical care and treatment of indigent and needy patients in the clinical setting of clinics organized, in whole or in part, for the delivery of health care services without charge. The special volunteer medical license shall be issued by the West Virginia Board of Medicine to physicians licensed or otherwise eligible for licensure under this article and the rules promulgated hereunder without the payment of any application fee, license fee or renewal fee, shall be issued for a fiscal year or part thereof, and shall be renewable annually. The board shall develop application forms for the special license provided for in this subsection which shall contain the physician’s acknowledgment that:
(g) Any policy or contract of liability insurance providing coverage for liability sold, issued or delivered in this state to any physician covered under the provisions of this article shall be read so as to contain a provision or endorsement whereby the company issuing such policy waives or agrees not to assert as a defense on behalf of the policyholder or any beneficiary thereof, to any claim covered by the terms of such policy within the policy limits, the immunity from liability of the insured by reason of the care and treatment of needy and indigent patients by a physician who holds a special volunteer medical license or who renders such care and treatment pursuant to an arrangement with a clinic as authorized pursuant to subsection (b) of this section: Provided, That this subsection shall not apply to a terminated policy, terminated contract of liability insurance or extended reporting endorsement attached thereto that provides "tail insurance" as defined by section two, article twenty-d, chapter thirty-three of this code: Provided, however, That nothing within this subsection shall be construed to extend coverage under a terminated policy or terminated contract of liability insurance or any extended reporting endorsement attached thereto to: