1. A CSD shall retain the records referred to in Article 54 of Delegated Regulation (EU) 2017/392, for all transactions, settlement instructions and orders concerning settlement restrictions that it processes, in the format set out in Table 1 in Annex IV to this Regulation.

[Article 11(1) of Regulation 2017/394 does not form part of domestic law on and after IP completion day by virtue of section 3 of the Act]

2. A CSD shall retain the records referred to in Article 55 of Delegated Regulation (EU) 2017/392, for the positions corresponding to all the securities accounts that it maintains in the format set out in Table 2 in Annex IV.

3. A CSD shall retain the records referred to in Article 56(1) of Delegated Regulation (EU) 2017/392 for the ancillary services that it provides in the format set out in Table 3 in Annex IV.

4. CSD shall retain the records referred to in Article 57 of Delegated Regulation (EU) 2017/392 for activities related to its business and internal organisation in the format set out in Table 4 in Annex IV.

5. For the purposes of reporting to authorities, a CSD shall use a legal entity identifier (LEI) to identify in its records:

(a) a CSD;

(b) CSD participants;

(c) settlement banks;