Wis. Stat. § 177.0504: Cooperation among state officers and agencies to locate apparent owners.

Unless otherwise prohibited by law, at the request of the administrator, each officer, agency, board, commission, division, or department of this state, any body politic or corporate created by this state for a public purpose, and each political subdivision of this state shall make its books and records available to the administrator and cooperate with the administrator to determine the current address of an apparent owner of property held by the administrator under this chapter.