Mass. Gen. Laws ch. 94, § 292: Possession by dealer of incorrectly labeled turpentine, paint or linseed oil

Section 292. The having in possession, by any person dealing in such articles, of any article or substance designated in section two hundred and eighty-nine or two hundred and ninety-one, and marked or labelled contrary to said sections, shall be prima facie evidence that the same is kept by such person in violation of the provisions thereof.