Wyo. Stat. § 41-7-312
Said order of confirmation may, at the same or at any subsequent term of said court be revised, modified or changed, in whole or in part, on petition of the commissioners, after such notice as the court may require to parties interested. At any time prior to making the order confirming said report or thereafter, the court may permit the commissioners to present and file a supplemental report, or amend their report, as to any matter which, pursuant to the provisions hereof, was or might have been included in the original report presented by them, and after reasonable notice given to all parties interested, in such manner as the court shall direct, the court may, upon the hearing in said matter, make such order as the case may require.
W.S. 41-7-312