Current stage: 40.99 Effective date: May 15, 2026
Next stage: TDTR Next stage date: May 29, 2026
Originator: IEC
Owner: TC 22/SC 22F
Type: Technical Report
ICS: 29.240.99
PROJECT IEC TR 63604 ED1 40.99 Full report circulated: DIS approved for registration as FDIS May 15, 2026