(9) If (in the case of a sales contract) the value of the goods is diminished by any amount as a result of handling of the goods by the consumer beyond what is necessary to establish the nature, characteristics and functioning of the goods, the trader may recover that amount from the consumer, up to the contract price.
(10) An amount that may be recovered under paragraph (9)—
(a)may be deducted from the amount to be reimbursed under paragraph (1);
(b)otherwise, must be paid by the consumer to the trader.
(11) Paragraph (9) does not apply if the trader has failed to provide the consumer with the information on the right to cancel required by paragraph (l) of Schedule 2, in accordance with Part 2.