Current stage: 30.99 Effective date: Mar 20, 2026
Next stage: TCDV Next stage date: Mar 31, 2027
Originator: IEC
Owner: TC 110
Type: International Standard
ICS: 17.180.99 31.120
PROJECT IEC 63145-30 ED1 30.99 CD approved for registration as DIS Mar 20, 2026