53 Pa. Stat. § 54252
The term "public dance," or "public ball," as used in this act, shall be taken to include any dance or ball conducted in connection with instruction in dancing for hire, and any dance of ball to which admission may be had by the payment of a fee, or by the purchase, possession or presentation of a ticket or token, or in connection with which a charge is made for caring for clothing or other property, and any dance or ball to which the public generally may gain admission with or without the payment of a fee, except public dances or public balls conducted by posts or camps of honorably discharged soldiers, sailors, and marines, or by fraternal organizations, labor unions or organizations of firemen.
The term "dance hall," or "ballroom," as used in this act, shall be taken to include any room, place or space in which a public dance or public ball, as herein defined, shall be held, and any room, hall or academy in which classes in dancing are held and instruction in dancing is given for hire.
53 P.S. § 54252