Sec. 14. (a) Participation by a petitioner in a proceeding under this article before a responding tribunal, whether:
(1) in person;
(2) by private attorney; or
(3) through services provided by the support enforcement agency;
does not confer personal jurisdiction over the petitioner in another proceeding.
(b) A petitioner is not amenable to service of civil process while physically present in Indiana to participate in a proceeding under this article.
(c) The immunity granted by this section does not extend to civil litigation based on acts unrelated to a proceeding under this article committed by a party while physically present in Indiana to participate in the proceeding.