1. Member States shall provide the Commission with information on the following for the first time by 18 September 2018 and every two years thereafter:
(a) compliance by payment service providers with Articles 4, 5 and 6;
(b) compliance by Member States with the requirements to ensure the existence of comparison websites pursuant to Article 7;
(c) the number of payment accounts that have been switched and the proportion of applications for switching that have been refused;
(d) the number of credit institutions offering payment accounts with basic features, the number of such accounts that have been opened and the proportion of applications for payment accounts with basic features that have been refused.
2. The Commission shall prepare a report for the first time by 18 September 2018 and every two years thereafter, on the basis of the information received from Member States.