1. Where the CSD applies for authorisation to designate more than one credit institution to provide banking-type ancillary services, its application shall include the following information:

(a) the information referred to Article 91 for each of the designated credit institution;

(b) a description of the role of each designated credit institution and the relations between them.

2. Where the application to be authorised in accordance with point (a) or (b) of Article 54(2) of Regulation (EU) No 909/2014 is submitted after the authorisation referred to in Article 17 of that Regulation has been obtained, the applicant CSD shall identify and inform the competent authority of substantive changes referred to in Article 16(4) of Regulation (EU) No 909/2014 unless it has already provided the information in the process of review and evaluation referred to in Article 22 of that Regulation.