W. Va. Code § 33-6-29
(b) Every policy or contract of liability insurance which insures a motor vehicle licensed in this state with collision, comprehensive, property or bodily injury coverage shall extend these coverages to cover the insured individual while operating a motor vehicle which he or she is permitted to use by a person, firm or corporation that owns the vehicle and is engaged in the business of selling, repairing, leasing or servicing motor vehicles. Coverage under any motor vehicle insurance policy available to such insured individual shall be primary, and any collision, comprehensive, property or bodily injury insurance coverage owned or obtained by a person, firm or corporation that owns the motor vehicle and is engaged in the business of selling, repairing, leasing or servicing motor vehicles shall be secondary. Recovery under the motor vehicle owner's insurance policy shall not be permitted until the insured individual has exhausted the limits of all other insurance policies available to him or her: Provided, That the following conditions are met: