Versions of West Virginia Code 20-18-4 - Creation and administration of West Virginia Natural Resources Police Officers Retirement System; specification of actuarial assumptions on LawServer 2023 West Virginia Code 20-18-4 – Creation and administration of West Virginia Natural Resources Police Officers Retirement System; specification of actuarial assumptions 2022 West Virginia Code 20-18-4 – Creation and administration of West Virginia Natural Resources Police Officers Retirement System; specification of actuarial assumptions 2021 West Virginia Code 20-18-4 – Creation and administration of West Virginia Natural Resources Police Officers Retirement System; specification of actuarial assumptions