Wis. Stat. § 563.28: Suspension or restriction of a supplier’s license for delinquent child support payments.

(1) If required in a memorandum of understanding entered into under s. 49.857, the department shall suspend or restrict the supplier’s license of any person who is delinquent in making court-ordered payments of child or family support, maintenance, birth expenses, medical expenses or other expenses related to the support of a child or former spouse or who has failed to comply, after appropriate notice, with a subpoena or warrant issued by the department of children and families or a county child support agency under s. 59.53 (5) and relating to paternity or child support proceedings.

(2) The department shall disclose the social security number of any applicant for a supplier’s license to the department of children and families for the purpose of administering s. 49.22.