Wisconsin Statutes Employment Relations (Ch. 111) § 111.337. Creed; exceptions and special cases

(a) For a religious association not organized for private profit or an organization or corporation which is primarily owned or controlled by such a religious association to give preference to an applicant or employee who is a member of the same or a similar religious denomination.

(am) For a religious association not organized for private profit or an organization or corporation which is primarily owned or controlled by such a religious association to give preference to an applicant or employee who adheres to the religious association's creed, if the job description demonstrates that the position is clearly related to the religious teachings and beliefs of the religious association.

(b) For a fraternal as defined in s. 614.01(1)(a) to give preference to an employee or applicant who is a member or is eligible for membership in the fraternal, with respect to hiring to or promotion to the position of officer, administrator or salesperson.