Wis. Stat. § 13.16
The chief clerk of each house shall be personally responsible for the safekeeping of every bill, memorial, joint resolution or other document or paper pertaining to legislation, received personally or through a deputy or assistant from any member, committee or officer of the legislature or of either house thereof. The chief clerk shall keep a full record of them and shall enter in the record the disposition made of them. The chief clerks, at the close of each session shall deposit for safekeeping in the office of the secretary of state all books, bills, documents and papers in the possession of the legislature, correctly labeled. The chief clerk of the house in which a joint resolution or resolution originates shall deposit a copy of the resolution or joint resolution in the office of the secretary of state immediately upon its adoption by the legislature, enrollment and signing.
Wis. Stat. § 13.16