23 Pa.C.S. § 7314: Limited immunity of petitioner.

(a) Jurisdiction over person.--Participation by a petitioner in a proceeding before a responding tribunal, whether in person, by private attorney or through services provided by the support enforcement agency, does not confer personal jurisdiction over the petitioner in another proceeding.

(b) Service.--A petitioner is not amenable to service of civil process while physically present in this State to participate in a proceeding under this part.

(c) Exception.--The immunity granted by this section does not extend to civil litigation based on acts unrelated to a proceeding under this part committed by a party while present in this State to participate in the proceeding.