3(1)Where by virtue of section seventeen of this Act compensation is payable for any year in respect of a holding to which that section applies (or to which, in accordance with the preceding provisions of this Schedule, it is to be treated as applying), and the person entitled to that compensation is not the person who was entitled to occupy the holding on the operative date (in this paragraph referred to as " the original occupier ") and is not a person who has become entitled to the relevant interest in the holding—
(a)on or after the death of the original occupier, in accordance with the disposition of the original occupier's estate effected by his will, or the law relating to intestacy, or the combination of his will and that law, or
(b)under an agreement which was made for valuable consideration by the person entitled to the compensation and was in force immediately before the operative date, or under a disposition creating or transferring the relevant interest in the holding in pursuance of such an agreement,
the compensation payable to him for that year shall not include any sum assessed in accordance with the provisions of section nineteen of this Act.
(2)In this paragraph "the relevant interest", in relation to a person entitled to compensation for any year in respect of a holding, means the interest in or right over the holding by virtue of which he is entitled to that compensation ; " will " includes a codicil; and " disposition", where the reference is to a disposition creating or transferring an interest, does not include any provision contained in a will, but, with that exception, includes any conveyance, assignment, lease or other assurance.