10 Pa. Stat. § 71
When, under existing laws, any religious corporation shall apply to the court of common pleas of the proper county for an amendment or alteration of their charter, so as to acquire and hold real estate, and after decree and amendments are recorded and shall become a part of the charter of the said corporation, then such real estate which was purchased by and conveyed unto said corporation before amendment of their charter shall enure and vest in said corporation, with the same force and effect as if originally empowered to hold and acquire real estate: Provided, That no inquisition shall have been taken against the real estate so held to escheat previous to the amendment of such charter: And provided further, That such real estate shall not exceed the amount in value which religious corporations are allowed to hold by charter.
10 P.S. § 71