Hearings shall be open to the public and limited to the litigation of and oral argument on issues of fact or law regarding whether the existing unit described in the petition shall be clarified to include or exclude the positions referenced in the petition. The commission or examiner conducting the hearing shall inquire fully into all matters in issue, to obtain a full and complete record upon which the duties of the commission under the Municipal Employment Relations Act may be properly performed. Practice and procedure for hearings in unit clarification proceedings shall otherwise be as set forth in s. ERC 18.08.
Wis. Admin. Code Employment Relations Commission ERC 17.06