No law limiting interest rates or providing for forfeiture, penalty, or other loss or liability because of the rate of interest charged may be applied:
For the purpose of determining the applicability of this section, the term "business" means and includes any activity that is engaged in primarily for the purpose of generating "gross income," as that term is defined in section one, article thirteen, chapter eleven of this code: Provided, That "business" does not mean or include farming or any other agricultural activity engaged in by a producer of agricultural commodities, livestock, or other farm products.
W. Va. Code § 47-6-11