W. Va. Code § 19-2B-5
The commissioner may at any time enter upon and inspect any establishment, place, premises or conveyance, either private or public, where animals or poultry are slaughtered or carcasses, meat products or poultry products are processed, handled, stored, transported, distributed, sold or offered for sale, for the purpose of examining such animals or poultry, carcasses, meat products or poultry products. Any person engaged in the business of operating an establishment shall maintain such records as the commissioner may require directly pertaining to the movement, storage and distribution or other disposition of animals or poultry, carcasses, meat products and poultry products, and such records shall be open to inspection by the commissioner at any time during the normal working hours at such establishment.
W. Va. Code § 19-2B-5