(1)Where under any section of the principal Act or of this Act any matter is referred to the decision of the Department, such section shall in its application to a holding of which the Department are themselves the landlord have effect as if there were substituted for the Department, in the case of a holding which does not exceed fifty acres, or the rent of which does not exceed fifty pounds, the Land Court and, in the case of any other holding, an arbiter, and any provision in any such section for an appeal to an arbiter from the decision of the Department shall not apply.
(2)The provisions of the principal Act as amended by this Act shall apply to any arbitration in pursuance of the foregoing subsection or with regard to a holding of which the Department are themselves the landlord, with the substitution of the sheriff for the Department.