Wis. Stat. § 859.01: Time for filing claims.

When an application for administration is filed, the court, or the probate registrar under informal administration proceedings, shall by order set a date as the deadline for filing a claim against the decedent’s estate. The date shall be not less than 3 nor more than 4 months from the date of the order. If a claim is not filed by the deadline, the consequences provided in s. 859.02 apply.