Finance Act 1980

10 (1) Where the old participator transfers the whole or part of his interest in a field in which he has himself acquired an interest by a previous transfer, the amounts to be taken into account in determining what is to be transferred to the new participator under paragraphs 6, 7 and 8 above and what is to be the share of oil treated as the new participator's under paragraph 9 above shall include—

(a) any amount which falls to be transferred to the old participator under paragraph 6 or 7 above by reference to the previous transfer and has not been taken into account or relieved in relation to him under paragraph 6(3) or 7(2) above; and

(b) any amount or share which falls to be transferred to the old participator or treated as his under paragraph 8 or 9 above by reference to the previous transfer.

(2) Where the old participator makes successive transfers of parts of his interest, the amounts to be transferred to the new participator under paragraph 6, 7 and 8 above and the share of oil to be treated as the new participator's under paragraph 9 above by reference to each transfer shall be that amount or share after deducting any of it which falls to be so transferred or treated by reference to a previous transfer.