Current stage: 50.00 Effective date: Aug 22, 2025
Next stage: CFDIS Next stage date: Nov 14, 2025
Originator: IEC
Owner: TC 94
Type: International Standard
ICS: 29.120.70
IN_DEVELOPMENT IEC 63522-19 ED1 50.00 Final text received or FDIS registered for formal approval Aug 22, 2025