Wisconsin Statutes Emergency Management (Ch. 323) § 323.51. Emergency seat of state government

(1)Designation and use of a temporary location by the governor. Whenever, as the result of a disaster or the imminent threat of a disaster, it becomes imprudent, inexpedient or impossible to conduct the affairs of state government at the state capital, the governor shall, as often as the exigencies of the situation require, designate a temporary location for the seat of government at a place in or outside this state. The governor shall take any action and issue any orders necessary for an orderly transition of the affairs of state government to the temporary location. If practicable, the temporary location the governor designates shall conform to that provided for in the current emergency management plan authorized under subch. II. The temporary location shall remain as the seat of government until the governor establishes a new location under this section, or until the seat of government is returned to its normal location.

(2) Exercise of governmental authority. While the seat of government remains at a temporary location all official acts required by law to be performed at the seat of government by any officer, independent agency, department, or authority of this state, including the convening and meeting of the legislature in regular or special session under sub. (1) or (1m)(b) or (c), shall be as valid and binding when performed at the temporary location as if performed at the normal location.