(a) Manner of service.--When the law of this Commonwealth authorizes service of process outside this Commonwealth, the service, when reasonably calculated to give actual notice, may be made:

(b) Proof of service.--Proof of service outside this Commonwealth may be made by affidavit of the individual who made the service or in the manner provided or prescribed by the law of this Commonwealth, the order pursuant to which the service is made, or the law of the place in which the service is made for proof of service in an action in any of its courts of general jurisdiction. When service is made by mail, proof of service shall include a receipt signed by the addressee or other evidence of personal delivery to the addressee satisfactory to the tribunal.

(c) Individuals eligible to make service.--Service outside this Commonwealth may be made by an individual permitted to make service of process under the law of this Commonwealth or under the law of the place in which the service is made or who is designated by a tribunal of this Commonwealth.

(d) Certain individuals to be served.--When the law of this Commonwealth requires that in order to effect service one or more designated individuals be served, service outside this Commonwealth under section 5322 (relating to bases of personal jurisdiction over persons outside this Commonwealth) must be made upon the designated individual or individuals.