Wisconsin Statutes Organization of State Government (Ch. 13 to 22) § 13.31. Witnesses; how subpoenaed

The attendance of witnesses before any committee of the legislature, or of either house thereof, appointed to investigate any subject matter, may be procured by subpoenas signed by the presiding officer and chief clerk of the senate or assembly. Such subpoenas shall state when and where, and before whom, the witness is required to appear, and may require such attendance forthwith or on a future day named and the production of books, records, documents and papers therein to be designated, and may also require any officer of any corporation or limited liability company, or other person having the custody of the keys, books, records, documents or papers of any such business entity, to produce the same before such committee. Such subpoenas may be served by any person and shall be returned to the chief clerk of the house which issued the same as subpoenas from the circuit court are served and returned.