W. Va. Code § 18-9B-12
The state superintendent may formulate the requirements of adequate practices of fiscal administration to be followed by county school districts. Such requirements may include:
(5) Other instructions and regulations for the proper procedures and practices of fiscal administration in the county schools.
The requirements formulated by the state superintendent shall be certified by the state superintendent to the State Auditor. The State Auditor as chief inspector and supervisor of local government offices shall incorporate the requirements so certified in his or her instructions with respect to fiscal administration and shall prescribe their use by all county school districts by virtue of the authority vested in him or her by §6-9-2 of this code.