Nothing in this article may be construed to restrict or avoid sales or exchanges of regulated products between importers, manufacturers or manipulators who mix regulated materials for sale, or to prevent the free and unrestricted shipment of regulated products to manufacturers or manipulators who have registered their brands as required by the provisions of this article.
W. Va. Code § 19-15-18
Exchanges between manufacturers
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.