Wis. Stat. § 701.1306: Reasonable reliance.

A trustee or other person that reasonably relies on the validity of a distribution of part or all of the property of a trust to another trust, or a modification of a trust, under this subchapter, law of this state other than this subchapter, or the law of another jurisdiction is not liable to any person for any action or failure to act as a result of the reliance.