319 522-4-1
EN 319 522-4-1 V1.2.1 (2019-01) Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; Part 4: Bindings; Sub-part 1: Message delivery bindings
V1.2.1 (2019-01)
http://www.etsi.org/deliver/etsi_en/319500_319599/3195220401/01.02.01_60/en_3195220401v010201p.pdf
http://webapp.etsi.org/workprogram/Report_WorkItem.asp?WKI_ID=56728 |
Part of Delivery Services TI report