A person may produce or transport a firework that is a new explosive and that is either a division 1.3 explosive or division 1.4 explosive if the person first meets the requirements of 49 C.F.R. §173.56(2)(j) (2014).
W. Va. Code § 29-3E-3
Production or transportation of fireworks
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.