Wis. Stat. § 54.864: Other transfer by fiduciary.

(1) Subject to sub. (3), a personal representative or trustee may make an irrevocable transfer to another adult or trust company as custodian for the benefit of a minor under s. 54.870 in the absence of a will or under a will or trust that does not contain an authorization to do so.

(2) Subject to sub. (3), a conservator may make an irrevocable transfer to another adult or trust company as custodian for the benefit of the minor under s. 54.870.

(3) A transfer under sub. (1) or (2) may be made only if:

(a) The personal representative, trustee or conservator considers the transfer to be in the best interest of the minor;

(b) The transfer is not prohibited by or inconsistent with provisions of the applicable will, trust agreement or other governing instrument; and

(c) The transfer is authorized by the court if it exceeds $10,000 in value.