21 Pa. Stat. § 386
Any release or other instrument in writing, being evidence of the payment or satisfaction of any legacy, charged upon lands, tenements, or hereditaments, and also any release, or other instrument in writing, given to any executor, administrator, assignee, trustee or guardian, whether relating to real or personal estate, if such release or other instrument in writing shall be under seal, and shall have been executed before at least two competent subscribing witnesses, and shall also have been duly acknowledged, or the execution thereof proved in the manner provided by the existing laws, for the acknowledgment or proof of the execution of deeds and conveyances of lands, tenements and hereditaments, in order to authorize the same to be recorded, may, in case such release or other instrument in writing relates to real estate, be recorded in the office for recording of deeds, in the county where such real estate may be situate, and in case such release or other instrument in writing relates to debts, dues, claims, legacies, or other personal property, the same may be recorded in the office for recording of deeds, in any county where the person or persons interested therein may reside, and copies or exemplifications of such releases or other instruments in writing, under seal, acknowledged or proved, and recorded as aforesaid, being examined by the recorder, and certified under the seal of the proper office, which the recorder or keeper thereof is hereby required to do, shall be allowed as well in all courts where produced as elsewhere, and are hereby declared and enacted to be as good evidence, and as valid and effectual in law, as the original releases, or other instruments in writing, under seal, would be if duly proved by the subscribing witnesses thereto, and the same may be shewed, pleaded and made use of accordingly.
21 P.S. § 386