Wyo. Stat. Ann. § 16-12-411

If the governing body of a special district or other specified entity determines an emergency exists and the expenditure of money in excess of the general fund budget is necessary, it may make the expenditures from available funds as reasonably necessary to meet the emergency. Notice of the declaration of emergency and the amount of the emergency expenditures shall be provided in accordance with W.S. 16-4-404.