Foreign 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.
Wis. Stat. § 889.06
Alien laws
Applied in 1 court decision — leading case Daniel J. Hennessy, Jr. v. Wells Fargo Bank, N.A. (2022)
Most recently applied in Daniel J. Hennessy, Jr. v. Wells Fargo Bank, N.A. (January 2022)
Official source: Wisconsin State Legislature. Reproduced from public-domain Wisconsin statutes; confirm against the official source for the current text. Not legal advice.