The report required by Pa. O.C. Rule 2.10(b) shall be submitted at the audit, and shall include, substantially, the following:
The term "investigation," as used in this Rule, shall include inquiry of or as to as many of the following as may be pertinent and feasible: residents of the household in which the decedent resided; friends and neighbors; labor union membership; places of employment; social, fraternal, or beneficial organizations; insurance records; church membership; school records; social security, Veterans' Administration, or military service records; naturalization records, if not native born; and such other sources of information as the circumstances may suggest.
Phil. Cnty. Pa. 2.10A