58 Pa. Code § 513a.4
A slot machine licensee shall post signs that include a statement that is similar to the following: "It is unlawful for any individual under 21 years of age to enter or remain in any area where slot machines or table games are operated. It is unlawful for any individual under the age of 21 to wager, play or attempt to play a slot machine or table game. Individuals violating this prohibition will be removed and may be subject to arrest and criminal prosecution." The complete text of the sign shall be submitted to and approved by the Director of OCPG as part of the procedures required under § 513a.3(b) (relating to responsibilities of licensees, permittees, registrants and certification holders). The signs shall be prominently posted within 50 feet of each entrance and exit of the gaming floor.
58 Pa. Code § 513a.4
The provisions of this § 513a.4 amended under the Pennsylvania Race Horse Development and Gaming Act, 4 Pa.C.S. §§ 1202(b)(15) and (30), 1207(2), (5), (8) and (9), 1212, 13A02(2), 13A26(c), 1509, 1516, 1518(a)(13) and 1602.