319 521
EN 319 521 V1.1.1 (2019-02) Electronic Signatures and Infrastructures (ESI); Policy and security requirements for Electronic Registered Delivery Service Providers
V1.1.1 (2019-02)
http://www.etsi.org/deliver/etsi_en/319500_319599/319521/01.01.01_60/en_319521v010101p.pdf
http://webapp.etsi.org/workprogram/Report_WorkItem.asp?WKI_ID=47574 |
Part of Delivery Services TI report