For the purposes of this Regulation, the following definitions shall apply:

(1) "acquirer" means a payment service provider contracting with a payee to accept and process card-based payment transactions, which result in a transfer of funds to the payee;

(2) "issuer" means a payment service provider contracting to provide a payer with a payment instrument to initiate and process the payer's card-based payment transactions;

(3) "consumer" means a natural person who, in payment service contracts covered by this Regulation, is acting for purposes other than the trade, business or profession of that person;

(4) "debit card transaction" means a card-based payment transaction, including those with prepaid cards that is not a credit card transaction;

(5) "credit card transaction" means a card-based payment transaction where the amount of the transaction is debited in full or in part at a pre agreed specific calendar month date to the payer, in line with a prearranged credit facility, with or without interest;