The department shall deny an application for the issuance or renewal of a certification specified in sub. (1), shall suspend a certification specified in sub. (1) or may, under a memorandum of understanding under s. 49.857 (2), restrict a certification specified in sub. (1) if the department of children and families certifies under s. 49.857 that the applicant for or holder of the certificate is delinquent in the payment of 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 fails 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 related to paternity or child support proceedings.