W. Va. Code § 30-5-12c
(a) As used in this section:
“Biological product” means the same as that term is defined in 42 U.S.C.§ 262.
“Brand name” means the proprietary or trade name selected by the manufacturer and placed upon a drug or drug product, its container, label, or wrapping at the time of packaging.
“Interchangeable biological product” means a biological product that the federal Food and Drug Administration has:
(2) Determined is therapeutically equivalent as set forth in the latest edition of or supplement to the federal Food and Drug Administration’s Approved Drug Products with Therapeutic Equivalence Evaluations.
“Proper name” means the nonproprietary name of a biological product.
“Substitute” means to dispense without the prescriber’s express authorization an interchangeable biological product in the place of the drug ordered or prescribed.
(d)
(1) Within five business days following the dispensing of a biological product, the dispensing pharmacist or the pharmacist’s designee shall communicate the specific product provided to the patient, including the name of the product and the manufacturer, to the prescriber through any of the following electronic records systems:
(4) Communication is not required under this subsection when:
(B) A refill prescription is not changed from the product dispensed on the prior filling of the
prescription.
(h) A pharmacist may not dispense a product under the provisions of this section unless the manufacturer has shown that the biological product has been manufactured with the following minimum good manufacturing standards and practices by: