Every railway company shall be entitled to reasonable remuneration for any services performed by them in pursuance of this Act with respect to the conveyance of mails, and such remuneration shall be paid by the Postmaster General.

Any difference between the Postmaster General and any railway company as to the amount of such remuneration, or as to any other question arising under this Act, shall be decided by arbitration, in manner provided by the Act of the session of the first and second years of the reign of Her present Majesty, chapter ninety-eight, or, at the option of such railway company, by the Commissioners.