Amend the bill in section 1 by striking out all of paragraph C (page 1, lines 4 to 12 in L.D.) and inserting the following:
‘C. To confer and negotiate in good faith with respect to wages, hours, working conditions and contract grievance arbitration, except that by such obligation neither party may be compelled to agree to a proposal or be required to make a concession nor, if the public employer is a school administrative unit, may either party negotiate regarding a school administrative unit's use of private contractors to perform noninstructional services or the elimination of employment positions resulting from the use of private contractors and except that public employers of teachers shall meet and consult but not negotiate with respect to educational policies; for the purpose of this paragraph, educational policies may not include wages, hours, working conditions or contract grievance arbitration;