Wisconsin Form NF is a set of documents used in Wisconsin to report changes in a business's ownership or structure. It is filed with the Wisconsin Department of Financial Institutions (DFI). The form includes the Statement of Change of Control of Corporation, Statement of Change of Structure of Corporation, and the Statement of Change of Beneficial Ownership of Corporation. The form is used to report changes in the ownership, structure or beneficial ownership of a Wisconsin corporation, limited liability company, limited liability partnership or limited partnership. The form must be completed and signed by all parties involved in the change of control or structure transaction. It must then be filed with the DFI within 15 days of the change.