32 Pa. Stat. § 5053
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Conservation easement." A nonpossessory interest of a holder in real property, whether appurtenant or in gross, imposing limitations or affirmative obligations, the purposes of which include, but are not limited to, retaining or protecting for the public and economic benefit the natural, scenic or open space values of real property; assuring its availability for agricultural, forest, recreational or open space use; protecting, conserving or managing the use of natural resources; protecting wildlife; maintaining or enhancing land, air or water quality or preserving the historical, architectural, archaeological or cultural aspects of real property.
"Holder." The term means the following:
"Successive holder." A holder who is not the original holder and who acquired its interest in a conservation or preservation easement by assignment or transfer.
"Third-party right of enforcement." A right provided in a conservation easement to enforce any of its terms, granted to a governmental body, charitable corporation, charitable association or charitable trust, which, although eligible to be a holder, is not a holder.
32 P.S. § 5053