Wis. Stat. § 180.0856: Indemnification and allowance of expenses of employees and agents.

(1) A corporation shall indemnify an employee who is not a director or officer of the corporation, to the extent that he or she has been successful on the merits or otherwise in defense of a proceeding, for all reasonable expenses incurred in the proceeding if the employee was a party because he or she was an employee of the corporation.

(2) In addition to the indemnification required by sub. (1), a corporation may indemnify and allow reasonable expenses of an employee or agent who is not a director or officer of the corporation to the extent provided by the articles of incorporation or bylaws, by general or specific action of the board of directors or by contract.