Wyo. Stat. § 2-1-405: Disclaimer on behalf of person under disability.

A duly appointed, qualified and acting guardian of the property of an incompetent or a person under the age of twenty-one (21) years may make a disclaimer on behalf of his ward, upon a showing satisfactory to the court having jurisdiction over the guardianship that the disclaimer is in the best interests of the ward. A guardian of the property may be appointed by the court for the sole purpose of filing with the court an application for approval of a disclaimer.