Okla. Stat. tit. 43, § 43-601-314: Limited immunity of petitioner

A. Participation by a petitioner in a proceeding under the

Uniform Interstate Family Support Act 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. A petitioner is not amenable to service of civil process

while physically present in this state to participate in a

proceeding under the Uniform Interstate Family Support Act.

C. The immunity granted by this section does not extend to

civil litigation based on acts unrelated to a proceeding under the

Uniform Interstate Family Support Act committed by a party while

physically present in this state to participate in the proceeding.