An owner who, without charge, permits property to be used as a site for a collection event will not be liable for damage, harm or injury to a person or property which results from the use of the property as a site for a collection event. For the purposes of this section, an owner is a person or municipality in possession of a fee interest in property; a tenant, lessee, occupant or person in contract for a possessory interest in property; or the Commonwealth, its agencies or political subdivisions when in possession of property.
25 Pa. Code § 272.536