Wis. Stat. § 441.12: Administration; nonaccredited schools.

(1) The board shall enforce this chapter and cause the prosecution of persons violating it.

(2) No person may operate in this state a school for professional nurses or a school for practical nurses unless the school is approved by the board. No solicitation may be made in this state of the sale of, or registration in, a course by correspondence or conducted outside of the state for practical nurses unless all written material used in the solicitation plainly states in type as large as any other type on the material that the course is not approved by the board for training of practical nurses.