(1)Where in pursuance of any enactment providing for the acquisition or taking of possession of land compulsorily by any person (hereafter in this Part of this Act referred to as an " acquiring authority "), an acquiring authority acquire the interest in an agricultural holding or any part of it of the tenant of the holding or take possession of such a holding or any part of it, then, subject to the provisions of this Part of this Act, section 9 of this Act shall apply as if the acquiring authority were the landlord of the holding and compensation for disturbance in respect of the holding or part in question had become payable to the tenant as mentioned in subsection (1) of that section on the date of the acquisition or taking of possession.
(2)No sum shall be payable by virtue of subsection (1) of this section in respect of any agricultural holding held on a tenancy for a term of two years or upwards except in a case where the amount of compensation payable to the tenant of the holding by the acquiring authority in consequence of the acquisition or taking of possession in question is exceeded by the aggregate of the amounts which, if the tenancy had been from year to year, would have been so payable by way of compensation and by virtue of that subsection; and in any such case the sum payable by virtue of that subsection in consequence of the acquisition or taking of possession in question shall, subject to sections 13(3) and 14(3) of this Act, be of an amount equal to the excess.
(3)No sum shall be payable to the tenant of an agricultural holding by virtue of subsection (1) of this section in consequence of such an acquiring of an interest or taking of possession as is there mentioned unless the date on which the acquisition or taking of possession occurs is later than the date of the passing of this Act and—
(a)in the case of such an acquisition, unless the date on which notice to treat in respect of the interest to be acquired is served or treated as served on the tenant by the acquiring authority is after the initial date; and
(b)where in the case of such a taking of possession prior notice of the taking of possession is by virtue of any enactment required to be served on the tenant by the acquiring authority, unless the date on which the notice is so served is after the initial date.