18 Pa.C.S. § 7106: Theater operators to require proof of age.

Every person who operates a motion picture theater, when showing a motion picture rated as being suitable for viewing for adults only, shall not sell to a minor under 16 years of age an admission ticket or pass, or shall not admit such minor for a monetary consideration to the theater wherein the motion picture is exhibited, unless such minor is accompanied by his parent. Whoever violates the provisions of this section is guilty of a summary offense.