Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 25254. Business at one place;  purchases at night or from minors, etc., prohibited

No second-hand dealer shall operate more than one place of business, under one license for a permanent place of business, and only in the building for which the license is granted.

No second-hand dealer shall purchase or receive any goods between the hours of eight post meridian (8 P.M.) and seven ante meridian (7 A.M.).

No second-hand dealer shall receive or purchase any article or thing from any person under the age of eighteen, or from any intoxicated person, or from any person known to be a thief or an associate of thieves, or a receiver of stolen goods, or from any person whom said second-hand dealer has reason to suspect to be such.