Wis. Stat. § 440.973: Examinations.

(1) No person may be registered under this subchapter unless he or she passes an examination approved by the department. In approving an examination under this subsection, the department shall consider the use of an examination that is similar to an examination that is required for membership in the American Society of Home Inspectors.

(2) The department shall conduct examinations for home inspector registration at least semiannually at times and places determined by the department.

(3) An individual is not eligible for examination unless the individual has satisfied the requirements for registration under s. 440.972 (1) (a) and (b) at least 30 days before the date of the examination.