12. Where there is a transfer of part of a holding to which regulation 9(4) applies, the apportionment of the special quota relating to that part of the holding shall be carried out—
(a)where within two months of the change of occupation the transferee submits to the Minister—
(i)a duly completed form in accordance with regulation 10(2)(a),
(ii)a statement, signed by the transferor and the transferee, that they have agreed that the special quota shall be apportioned according to areas used for milk production as specified in the statement, and
(iii)a consent or sole interest notice provided by the transferor or his personal representative in respect of the entirety of the holding,
in accordance with the agreement specified in subparagraph (ii),
(b)in all other cases—
(i)in England and Wales and Northern Ireland by arbitration in accordance with Schedules 4 and 6 respectively,
(ii)in Scotland in accordance with Schedule 5.