Current stage: 50.00 Effective date: May 18, 2026
Next stage: CFDIS Next stage date: Aug 10, 2026
Originator: IEC
Owner: TC 47
Type: International Standard
ICS: 31.080.01
IN_DEVELOPMENT IEC 63287-4 ED1 50.00 Final text received or FDIS registered for formal approval May 18, 2026