58. Procedure following reference to Arbitration Commission---(1)
 Where a party is supplied under section 57 (3) of this Act with details
 of a pay equity claim, that party, within 28 days after the date on
 which that party was supplied with those details, shall set out in
 writing the details of that party's response to the pay equity claim and
 shall supply a copy of those details to both the Arbitration Commission
 and the party that referred the pay equity claim to the Arbitration
 Commission.

   (2) The response shall include full particulars of the final offer
 being made by the responding party in respect of the pay equity claim.

   (3) If the responding party fails to respond under subsection (1) of
 this section within the time prescribed by that subsection, the
 Arbitration Commission may determine the pay equity claim as if the
 responding party had supplied a nil final offer.