(1) On the cancellation of a regulated agreement, and of any linked transaction,-
(a) any sum paid by the debtor or hirer, or his relative, under or in contemplation of the agreement or transaction, including any item in the total charge for credit, shall become repayable, and
(b) any sum, including any item in the total charge for credit, which but for the cancellation is, or would or might become, payable by the debtor or hirer, or his relative, under the agreement or transaction shall cease to be, or shall not become, so payable, and
(c) in the case of a debtor-creditor-supplier agreement falling within section 12(b), any sum paid on the debtor's behalf by the creditor to the supplier shall become repayable to the creditor.
(2) If, under the terms of a cancelled agreement or transaction, the debtor or hirer, or his relative, is in possession of any goods, he shall have a lien on them for any sum repayable to him under subsection (1) in respect of that agreement or transaction, or an
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