W. Va. Code § 8A-5-9: Recording of major subdivision or land development plat.

After approval of a major subdivision or land development plat by the planning commission and after the conditions of the planning commission are met, the subdivision or land development plat shall be recorded by the applicant in the office of the clerk of the county commission where the land is located. If the land is located in more than one county, then the land development plat shall be recorded in the county of the initial land development and subsequently recorded in the other counties when there is land development in that county.