A court commissioner, municipal court or state administrative agency conducting an action or proceeding or a party to the action or proceeding may petition the circuit court in the county in which the action or proceeding is being conducted for a remedial or punitive sanction specified in s. 785.04 for conduct specified in s. 785.01 in the action or proceeding.
Wis. Stat. § 785.06
Section 767.29(1) [now s. 767.57(1)] specifically authorizes a family court commissioner to initiate a contempt action to enforce a child support order pursuant to s. 785.06. State ex rel. Stedman v. Rohner, 149 Wis. 2d 146, 438 N.W.2d 585 (1989).