The National Stock Exchange (NSE) on April 10, 2026, issued the notification regarding the unavailability of Unique Client Code (UCC) system due to Mock Trading on Saturday, April 11, 2026.
The following has been stated namely: -
• Due to the mock trading session on April 11, 2026, the Unique Client Code (UCC) system will be unavailable from 10:00 AM till midnight.
• Any UCC additions or modifications made during this period will be invalid for live trading from April 13, 2026 and will be deleted by end of day.
• Members are advised to avoid any UCC uploads or modifications during the specified time window to prevent data loss
[Notification No. NSE/ISC/73705]
