(1) The FCA may make rules specifying how the total charge for credit to the borrower under a credit agreement is to be determined for the purposes of this Chapter.
(2) Rules made under paragraph (1) may in particular -
(a) specify how the total charge for credit to a person who is, or is to become, the borrower under a credit agreement is to be determined;
(b) specify what items are to be included in determining the total charge for credit and how the value of those items is to be determined;
(c) specify the method of calculating the rate of the total charge for credit;
(d) provide for the whole or part of the amount payable by the borrower or a relative of the borrower under a linked transaction (within the meaning given by article 60E(8)) to be included in the total charge for credit, whether or not the lender is a party to the transaction or derives a benefit from it.