The use or possession by any person, other than the registrant, of any articles or supplies without the written consent provided in this chapter, or the possession of articles or supplies so marked by any junk dealer or dealer of second-hand articles, shall create a presumption of unlawful use of or traffic in such articles or supplies, which presumption may be overcome by evidence to the contrary.
54 Pa.C.S. § 1524
Unauthorized use as presumptive evidence
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.