In the case of works or undertakings which undertakings benefit more districts than one, when the district boards cannot agree, the Commissioner or Commissioners of the division or divisions, or, when the districts are in different divisions and the Commissioners cannot agree, the Local Government, may determine what proportion of the expenses of the work or undertaking shall be borne by each of the district funds of the districts benefited thereby ; and such proportion shall be payable out of the several district funds accordingly.