Electronic Signatures and Infrastructures (ESI) - Certificate Profiles - Part 1: Overview and common data structures (ETSI EN 319 412-1 V1.1.1 (2016-02)) (english version)
Electronic Signatures and Infrastructures (ESI); Certificate Profiles; -- Part 1: Overview and common data structures (ETSI EN 319 412-1 V1.4.1 (2020-06))
Health informatics - Identification of medicinal products - Data elements and structures for the unique identification and exchange of units of measurement (ISO 11240:2012)