85(2)
Where the employer is liable to pay compensation under this section, he shall be entitled to be indemnified by the contractor, or any other person from whom the employee could have recovered the compensation and where a contractor who is himself an employer is liable to pay compensation or to indemnify an employer under this section, he shall be entitled to be indemnified by any person standing to him in relation of a contractor from whom the employee could have recovered the compensation, and all questions as to the right to and the amount of any such indemnity shall, in default of agreement, be settled by the competent authority.