W. Va. Code § 33-20C-4: Notice period for cancellation; ninety-day notice required for nonrenewal.

(a) No insurer shall fail to renew a policy or contract providing malpractice insurance unless written notice of the nonrenewal is forwarded to the insured by certified mail, return receipt requested, not less than ninety days prior to the expiration date of the policy.

(b) No insurer shall cancel a policy or contract providing malpractice insurance during the term of the policy unless written notice of the cancellation is forwarded to the insured by certified mail, return receipt requested, not more than thirty days after the reason for the cancellation, as provided in section two of this article, arose or occurred or the insurer learned that it arose or occurred and not less than thirty days prior to the effective cancellation date.