Wis. Admin. Code Employment Relations Commission ERC 30.02
The policy of the state is to promote the prompt, peaceful and just resolution of labor disputes arising in collective bargaining affecting wages, hours and conditions of employment of applicable fire fighting and law enforcement personnel in the employ of the applicable municipal employers. Where proceedings are initiated under this chapter by one or both parties, the commission shall, where an impasse exists, require the parties involved to proceed to final and binding municipal interest arbitration on the issue or issues at impasse. The commission may furnish to the parties a panel of arbitrators from which they may select an arbitrator or arbitrators to be appointed by the commission to issue a compulsory final and binding award to resolve the issue or issues at impasse.
Wis. Admin. Code Employment Relations Commission ERC 30.02