In the event that a financial data sharing scheme is not developed for one or more categories of customer data listed in Article 2(1) and there is no realistic prospect of such a scheme being set up within a reasonable amount of time, the Commission is empowered to adopt a delegated act in accordance with Article 30 to supplement this Regulation by specifying the following modalities under which a data holder shall make available customer data pursuant to Article 5(1) for that category of data:
(a) common standards for the data and, where appropriate, the technical interfaces to allow customers to request data sharing under Article 5(1);
(b) a model to determine the maximum compensation that a data holder is entitled to charge for making data available;
(c) the liability of the entities involved in making the customer data available.