1.  Petition.  Any interested party may seek a determination of rights under this Act by filing with the board any petition authorized under this Act.  

2.  Service upon responding party.  Copies of all petitions filed under this Act must be served by certified mail, return receipt requested, to the other parties named in the petition. In the case of a petition by an employee, a copy of the petition must be served upon the employer, employer's insurer or group self-insurer.  

3.  No response required.  No response to a petition filed under this section is required.  

4.  Procedure.  A petition filed under this section must be referred by the board to mediation.  

5.  Mediation.  Mediation must be held in accordance with section 313, subsections 2 to 5.