Current stage: 50.00 Effective date: 22 maj 2026
Next stage: CFDIS Next stage date: 14 gush 2026
Originator: IEC
Owner: TC 91
Type: International Standard
ICS: 31.180
IN_DEVELOPMENT IEC 63516 ED1 50.00 Final text received or FDIS registered for formal approval 22 maj 2026