; and (C) shall not be disproportionate or overly burden the employees covered by the collective bargaining agreement, either in the amount of the cost savings sought from such employees or the nature of the modifications. (d) (1) If, after a period of negotiations, the trustee and the labor organization have not reached an agreement over mutually satisfactory modifications, and further negotiations are not likely to produce mutually satisfactory modifications, the trustee may file a motion seeking rejection of the collective bargaining agreement after notice and a hearing. Absent agreement of the parties, no such hearing shall be held before the expiration of the 21-day period beginning on the date on which notice of the hearing is provided to the labor organization representing the employees covered by the collective bargaining agreement. Only the debtor and the labor organization may appear and be heard at such hearing. An application for rejection shall seek rejection effective upon the entry of an order granting the relief. (2) In consideration of Federal policy encouraging the practice and process of collective bargaining and in recognition of the bargained-for expectations of the employees covered by the collective bargaining agreement, the court may grant a motion seeking rejection of a collective bargaining agreement only if, based on clear and convincing evidence— (A) the court finds that the trustee has complied with the requirements of subsection (c); (B) the court has considered alternative proposals by the labor organization and has concluded that such proposals do not meet the requirements of subsection (c)(3)(B); (C) the court finds that further negotiations regarding the proposal of the trustee or an alternative proposal by the labor organization are not likely to produce an agreement; (D) the court finds that implementation of the proposal of the trustee shall not— (i) cause a material diminution in the purchasing power of the employees covered by the collective bargaining agreement