# Commission Delegated Regulation (EU) 2020/473 of 20 January 2020 supplementing Directive (EU) 2017/2397 of the European Parliament and of the Council with regard to the standards for databases for the Union certificates of qualification, service record books and logbooks, Division 4.1: In order for the Union database to perform its functionalities, it shall keep the following data:

Extent: E+W+S+N.I.

(a) routing metadata;
(b) access right tables;
(c) CIDs with:
(i) the holder’s list of types of certificates and of specific authorisations with their respective issuing authority and status;
(ii) the serial number of the holder’s active service record book, where relevant;
(iii) the pointer to the national register that hosts the holder’s most recent personal identity-related data.

---
Source: https://www.legislation.gov.uk/eur/2020/473/annex/I/division/4/division/4.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2020-473/annex-I/division-4/division-4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.