Wis. Stat. § 194.20: Certificates and licenses for carriers in interstate commerce and intrastate commerce.

(1) Motor carriers operating in interstate commerce or intrastate commerce shall obtain certificates and licenses as provided in ss. 194.23 and 194.34. These certificates and licenses may be denied by the department if it finds that the record and experience of the applicant evinces a disposition to violate or evade the laws or regulations of the state applicable to the operations proposed by the applicant.

(2) Notwithstanding sub. (1) the department is empowered to act under the provisions of section 206 (a) of the interstate commerce act, as amended by P.L. 87-805, 76 Stat. 911, by making any finding, determination and otherwise doing any other thing necessary to proceed under that statute.