Alien laws
Wis. Stat. § 889.06
in effectForeign laws may be proved by parol evidence; but if it shall appear that the law in question is contained in a written statute or code the court may reject any evidence of such law that is not accompanied by a copy thereof.
Source: WI Statutes (Official Site)URL: https://docs.legis.wisconsin.gov/document/statutes/889.06Fetched: 10/7/2026
