Current stage: 20.99 Effective date: Feb 20, 2026
Next stage: 30.20 Next stage date: Jun 30, 2026
Originator: ISS
Owner: N017AC
Type: Technical Specification
Languages: English
PROJECT prSRPS IEC TS 62271-307 ED1:2026 20.99 WD approved for registration as CD Feb 20, 2026