1. Where, for the use of a given payment instrument, the payee requests a charge or offers a reduction, the payee shall inform the payer thereof prior to the initiation of the payment transaction.
2. Where, for the use of a given payment instrument, the payment service provider or another party involved in the transaction requests a charge, it shall inform the payment service user thereof prior to the initiation of the payment transaction.
3. The payer shall only be obliged to pay for the charges referred to in paragraphs 1 and 2 if their full amount was made known prior to the initiation of the payment transaction.