Wyo. Stat. § 2-3-111: When no bond required; generally.

(a) When it is expressly provided in the will or by statute that no bond be required of the personal representative or when the distributees waive in writing the requirement that a bond be executed, letters testamentary or of administration may issue without the execution and filing of a bond as provided by W.S. 2-3-102.

(b) When a bond is waived by will, by statute or by the distributees, sales of real estate may be made and confirmed without a bond unless the court for good cause requires one to be executed.

(c) If it appears necessary for any reason at any time afterward, the personal representative may be required to file a bond as in other cases.