W. Va. Code § 15A-11 § 15A-11-3

(a) Pursuant to the provisions of §29A-3-1 et seq. of this code, the State Fire Commission shall propose and promulgate comprehensive rules for the safeguarding of life and property from the hazards of fire and explosion to be known as the State Fire Code. Rules embodied in the State Fire Code shall be in accordance with standard safe practice as embodied in widely recognized standards of good practice for fire prevention and fire protection and have the force and effect of law in the several counties, municipalities, and political subdivisions of the state: Provided, That buildings or structures utilized primarily for agricultural purposes shall be exempt from the provisions of the State Building Code, the State Fire Code, and any county or municipal building code or ordinance that is or may be adopted, such as the ICC International Property Maintenance Code. The rule shall include, but not be limited to, standard safe practices for the design, construction, location, installation, maintenance, and operation of liquefied petroleum gas systems, and training standards and qualifications for persons who install or maintain liquefied petroleum gas systems.
(b) The State Fire Commission may establish work groups and seek input in the rulemaking process from groups or individuals with an interest in any aspect of the fire code.
(c) For purposes of this section, the term “agricultural purposes” means the raising, cultivation, drying, harvesting, marketing, production, or storage of agricultural products, including both crops and livestock, for sale or use in agriculture or agricultural production, or the storage of machinery or equipment used in support of agricultural production.
(d) The State Fire Commission shall propose rules for legislative approval in accordance with the provisions of §29A-3-1 et seq. of this code relating to sprinkler protection, specifically providing that buildings commencing construction after July 1, 2023, housing emergency fire, rescue, or ambulance services shall be protected throughout by approved automatic sprinkler systems: Provided, That emergency services buildings that house only equipment, are less than 5,000 square feet, and do not have designated sleeping areas or quarters within them, regardless when constructed or commencing construction, are exempt from this requirement.