(1) Regulations 107 to 110 apply to -
(a) payment transactions in euro, and
(b) payment transactions involving only one currency conversion between the euro and the currency of a Member State outside the euro area, where -
(i) the required currency conversion is carried out in that Member State, and
(ii) in the case of a cross-border payment transaction, the crossborder transfer takes place in euro.
(2) Regulations 107 to 109 apply to payment transactions not referred to in paragraph (1), unless otherwise agreed between the payment service user and the payment service provider.
(3) Where, in the case of a payment transaction not referred to in paragraph (1) which is an intra-Union payment transaction, the payment service user and the payment service provider agree a period longer than that set out in Regulation 107, that period shall not exceed 4 business days following the time of receipt as referred to in Regulation 102.
(4) Regulation 110 applies to payment transactions not referred
…