KCS Depository Circular Digest
March 2026
NSDL and CDSL circulars assessed for DEBOS and DP back-office relevance
1 material change
1 testing circular
1 implementation deadline
What mattered this month
NSDL introduced a mandatory Consent Mode field for BSDA opt-out requests and moved the consent date from reserved field RSVD2 to the named UDiFF field ClntBsdaOptOutDt.
- Operational impact
- Client Master and BSDA opt-out processing
- Production date
- EOD 27 March 2026
- KCS assessment
- Software change required
| Client Master | Change required |
|---|---|
| Transaction processing | No material change |
| Pledge and margin | No material change |
| Investor services | BSDA workflow affected |
| UDiFF formats | V3.0.1.1 applicable |
Material change
BSDA opt-out consent becomes a structured client-master field
NSDL/POLICY/2026/0036
Consent mode is now mandatory and the consent date moves from RSVD2 to ClntBsdaOptOutDt under UDiFF V3.0.1.1.
NSDL
Software change
Live 27 March 2026
Read the detailed operational analysis →
At a glance — DEBOS-relevant circulars
| Circular | Issued | Operational change | DEBOS area | Impact | Deadline |
|---|---|---|---|---|---|
| NSDL/POLICY/2026/0036 | 18 Mar 2026 | Capture Consent Mode; move consent date from RSVD2 to ClntBsdaOptOutDt; adopt UDiFF 3.0.1.1 | Client Master | Software change | 27 Mar 2026 |
| NSDL/POLICY/2026/0040 | 20 Mar 2026 | Complete mock testing; submit BO Upload test files to NSDL helpdesk | UDiFF / testing | Testing required | 26 Mar 2026 |
Forthcoming DP compliance
Recurring reporting reminders — not new regulatory changes from this month’s circulars.
10 April
Investor Grievance Report (monthly) Submit via e-PASS
Before 27 April
Same mobile/email across multiple accounts (monthly) Submit via Email