(1) Payments shall be made in the currency agreed between the parties to a payment transaction or a framework contract, as the case may be.
(2) Where -
(a) a currency conversion service is offered prior to the initiation of a payment transaction, and
(b) that currency conversion service is offered at an automated teller machine, at the point of sale or by a payee,
the party offering the currency conversion service to a payer shall disclose to the payer all charges as well as the exchange rate to be used for converting the payment transaction.
(3) Where the conditions specified in paragraph (2) apply, a payer accepting an offer to use the currency conversion service concerned shall be deemed to do so on the basis of the disclosed charges and exchange rate.