W. Va. Code § 7-14B-18
The county commission of each county shall allow the correctional officer in its employ vacation time accrued in the following manner: For correctional officers with less than five years of service, vacation time shall be accrued at the rate of one and one-quarter days for each calendar month of service; for correctional officers with five to ten years of service, vacation time shall be accrued at the rate of one and one-half days for each calendar month of service; for correctional officers with ten to fifteen years of service, vacation time shall be accrued at the rate of one and three-quarters days for each calendar month of service; and for correctional officers with fifteen or more years of service, vacation time shall be accrued at the rate of two days for each calendar month of service.
Each correctional officer shall only receive vacation time for each month in which he shall have worked one hour more than one half the normal working hours in a given month as prescribed by the sheriff.
Accrued vacation time may be carried forward from one calendar year to the next, in accordance with county policy.
W. Va. Code § 7-14B-18