40.99 May 22, 2026
DECFDIS Nov 30, 2026
IEC
TC 34
International Standard
PROJECT
IEC 63533 ED1
40.99
Full report circulated: DIS approved for registration as FDIS
May 22, 2026
Germicidal equipment - Airborne microorganisms inactivation by Germicidal Ultraviolet (GUV) luminaires
40.60 Close of voting