769.31(2)(a)(a) Compile and maintain a current list, including addresses, of the tribunals in this state that have jurisdiction under this chapter and any support enforcement agencies in this state and transmit a copy to the state information agency of every other state.

769.31(2)(c)(c) Forward to the appropriate tribunal in the county in this state in which the obligee who is an individual or the obligor resides, or in which the obligor’s property is believed to be located, all documents concerning a proceeding under this chapter received from another state or a foreign country.

769.31(2)(d)(d) Obtain information concerning the location of the obligor and the obligor’s property within this state not exempt from execution by such means as postal verification and federal or state locator services, examination of telephone directories, requests for the obligor’s address from employers and examination of governmental records, including, to the extent not prohibited by other law, those relating to real property, vital statistics, law enforcement, taxation, motor vehicles, driver’s licenses and social security.

769.311(1)(1) In a proceeding under this chapter, a petitioner seeking to establish a support order, to determine parentage of a child, or to register and modify a support order of a tribunal of another state or a foreign country must file a petition. Unless otherwise ordered under s. 769.312, the petition or accompanying documents must provide, so far as known, the names, residential addresses, and social security numbers of the obligor and the obligee or the parent and alleged parent, and the name, sex, residential address, social security number, and date of birth of each child for whose benefit support is sought or whose parentage is to be determined. Unless filed at the time of registration, the petition must be accompanied by a copy of any support order known to have been issued by another tribunal. The petition may include any other information that may assist in locating or identifying the respondent.

769.311(2)(2) The petition must specify the relief sought. The petition and accompanying documents must conform substantially with the requirements imposed by the forms mandated by federal law for use in cases filed by a support enforcement agency.

769.312769.312 Nondisclosure of information in exceptional circumstances. If a party alleges in an affidavit or a pleading under oath that the health, safety, or liberty of a party or child would be jeopardized by the disclosure of specific identifying information, that information must be sealed and may not be disclosed to the other party or the public. After a hearing in which a tribunal takes into consideration the health, safety, or liberty of the party or child, the tribunal may order disclosure of information that the tribunal determines to be in the interest of justice.

769.313(1)(1) The petitioner may not be required to pay a filing fee or other costs.

769.313(2)(2) If an obligee prevails, a responding tribunal of this state may assess against an obligor filing fees, reasonable attorney fees, other costs, and necessary travel and other reasonable expenses incurred by the obligee and the obligee’s witnesses. The tribunal may not assess fees, costs, or expenses against the obligee or the support enforcement agency of either the initiating or responding state or foreign country, except as provided by other law. Attorney fees may be taxed as costs and may be ordered paid directly to the attorney, who may enforce the order in the attorney’s own name. Payment of support owed to the obligee has priority over fees, costs, and expenses.

769.313(3)(3) The tribunal shall order the payment of costs and reasonable attorney fees if it determines that a hearing was requested primarily for delay. In a proceeding under subch. VI, a hearing is presumed to have been requested primarily for delay if a registered support order is confirmed or enforced without change.

769.314(1)(1) Participation by a petitioner in a proceeding under this chapter 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.

769.314(2)(2) A petitioner is not amenable to service of civil process while physically present in this state to participate in a proceeding under this chapter.

769.314(3)(3) The immunity granted by this section does not extend to civil litigation based on acts unrelated to a proceeding under this chapter committed by a party while physically present in this state to participate in the proceeding.

769.315769.315 Nonparentage as defense. A party whose parentage of a child has been previously determined by or under law may not plead nonparentage as a defense to a proceeding under this chapter.

769.316(1)(1) The physical presence of a nonresident party who is an individual in a tribunal of this state is not required for the establishment, enforcement, or modification of a support order or the rendition of a judgment determining parentage of a child.

769.316(2)(2) An affidavit, a document substantially complying with federally mandated forms, or a document incorporated by reference in any of them, that would not be excluded under the hearsay rule if given in person, is admissible in evidence if given under penalty of perjury by a party or witness residing outside this state.

769.316(3)(3) A copy of the record of child support payments certified as a true copy of the original by the custodian of the record may be forwarded to a responding tribunal. The copy is evidence of facts asserted in it and is admissible to show whether payments were made.

769.316(4)(4) Copies of bills for testing for parentage of a child, or for prenatal and postnatal health care of the mother and child, or copies of reports of medical assistance payments under subch. IV of ch. 49 for such testing or prenatal and postnatal health care, furnished to the adverse party at least 10 days before trial, are admissible in evidence to prove the amount of the charges billed or the amount of the medical assistance paid and that the charges or payments were reasonable, necessary, and customary.