W. Va. Code § 31A-4-16
Every banking institution, nonbanking subsidiary of a bank holding company, nonbanking subsidiary of a bank or entity jointly owned by federally insured depository institutions authorized to engage in the trust business pursuant to the provisions of section fourteen of this article, shall keep all trust funds and investments separate and distinct from the assets owned by the corporation; and shall keep a separate set of books and records showing in proper detail all transactions so engaged in; and all investments made by such institution as fiduciary shall be so designated that the trust to which such investments shall appertain or belong shall be clearly and distinctly shown on the books of the institution; and such funds shall be held for the uses of the trust designated and for the beneficiaries thereof, and shall not be liable for any other obligations of the institution.
W. Va. Code § 31A-4-16