Wis. Stat. § 184.15: Transfers by a fiduciary.

If before May 5, 1998, the transfer vested the estate or interest in another person to hold the estate or interest as a fiduciary for the benefit of the nonprofit association or its members or both, on or after May 5, 1998, the fiduciary may transfer the estate or interest to the nonprofit association in its name, or the nonprofit association, by appropriate proceedings, may require that the estate or interest be transferred to the nonprofit association in its name.