W. Va. Code § 11-12-2
(b) Terms defined. -- For purposes of this article, the term:
(1) "Agriculture and farming" shall mean and include the production of food, fiber, or woodland products (but not timbering activity) by means of cultivation or tillage of the soil, or by the conduct of animal, livestock, dairy, apiary, equine or poultry husbandry, or by horticulture, or by any other plant or animal production, and all farm practices related (usual or incidental) thereto, including the storage, packing, shipping and marketing thereof, but not including any manufacturing, milling, processing or selling of such products by person other than the producer thereof.
For the purposes of this article:
(2) "Business activity" shall mean and include all purposeful revenue-generating activity engaged in or caused to be engaged in with the object of gain or economic benefit, either direct or indirect, and all activities of this state and its political subdivisions which involve the sale of tangible personal property or the rendering of service when such service activities compete with or may compete with the activities of another person. "Business activity" shall not include: