Wyo. Stat. § 2-1-402 (2026)

(a)   As used in Article 4:

          (i) "Any interest in property" includes, but is not
limited to an undivided portion of an interest and a power with
respect to property;

          (ii) "Disclaimer" means an irrevocable and
unqualified refusal by a person to accept an interest in
property;

          (iii) "Fiduciary" means a personal representative,
trustee, agent acting under a power of attorney or other person
authorized to act as a fiduciary with respect to the property of
another person.