W. Va. Code § 22-4-21: Release of bonds.

On completion of the reclamation, and after the requirements of the permit have been fully complied with, the director shall release the bond. An amount of the bond or cash deposit, proportioned to the reclaimed portion of the disturbed land in ratio to all of the disturbed land covered by the permit, may be released on application by the permittee and inspection and approval by the director. Performance bonds shall be released upon acceptance into the bond pooling fund and payment of the required fees. Performance bonds for the transferor of a permit shall be released after the transferee posts a bond acceptable to the director.