A. Any person who violates any of the provisions of § 54.1-3457 shall be guilty of a Class 6 felony.
B. No person shall be subject to the penalties of this section for having violated subdivisions 1 and 3 of § 54.1-3457 if he establishes a guaranty or undertaking signed by, and containing the name and address of, the person residing in this Commonwealth from whom he received in good faith the article, to the effect that such article is not adulterated or misbranded within the meaning of this chapter.
C. No publisher, radio-broadcast licensee, or agency or medium for the dissemination of an advertisement, except the manufacturer, packer, distributor, or seller of the article to which a false advertisement relates, shall be liable under this section for the dissemination of such false advertisement, unless he has refused, on the request of the Board, to furnish the Board the name and post-office address of the manufacturer, packer, distributor, seller, or advertising agency, residing in this Commonwealth who caused him to disseminate such advertisement.