W. Va. Code § 60A-5-502
(a) Issuance and execution of administrative inspection warrants shall be as follows:
(2) A warrant shall issue only upon an affidavit of a designated officer or employee having knowledge of the facts alleged, sworn to before the judge and establishing the grounds for issuing the warrant. If the judge is satisfied that grounds for the application exist or that there is probable cause to believe they exist, he shall issue a warrant identifying the area, premises, building, or conveyance to be inspected, the purpose of the inspection, and, if appropriate, the type of property to be inspected, if any. The warrant shall:
(b) Administrative inspections of controlled premises shall be made in accordance with the following provisions:
(1) For purposes of this section only, "controlled premises" means:
(3) When authorized by an administrative inspection warrant, any such person may:
(4) This section does not prevent the inspection without a warrant of books and records pursuant to an administrative subpoena issued in accordance with any pertinent provision of this code, nor does it prevent entries and administrative inspections, including seizures of property, without a warrant: