Wis. Stat. § 447.10
If it appears upon the complaint of any person to the examining board, or it is believed by the examining board that any person is violating this subchapter, the examining board, or the district attorney of the proper county, may investigate such alleged violation, and may, in addition to or in lieu of any other remedies provided by law, bring action in the name and on behalf of the state against any such person to enjoin such violation. Between meetings of the examining board, its president and secretary, acting in its behalf, are empowered jointly to make such an investigation, and on the basis thereof to seek such relief. Investigations conducted by the examining board, or by its president and secretary, shall be conducted according to rules promulgated under s. 440.03 (1).
Wis. Stat. § 447.10