GSTR-3B for February 2026 — 20 Mar (monthly filers with turnover > ₹5 crore) / 22 Mar (QRMP Group B). Ensure cash ledger is sufficiently funded before filing. Interest under s.50 CGST begins from the 21st.
Sorted by deadline · domain as tiebreaker within the same date.
| Due Date | Domain | Action Required |
|---|---|---|
| 20 Mar | GST | File GSTR-3B for Feb 2026 — monthly filers (turnover > ₹5 crore). Pre-fund cash ledger via PMT-06 before filing. |
| 22 Mar | GST | File GSTR-3B for Feb 2026 — QRMP Group B filers. Reconcile GSTR-2B ITC before submission. |
| 24 Mar | MCA | Issue Q4 board meeting notices (7-day notice required under s.173(3)) to ensure meeting happens before 31 Mar. |
| 31 Mar | Direct Tax | ITR-U (s.139(8A)) for AY 2023-24 — last date with 50% additional tax. Restaurant/F&B clients especially: compare ITR income vs GST GSTR-1 turnover now. Window permanently closes 31 Mar. |
| 31 Mar | Direct Tax | Last date for 80C / 80D / 80CCD(1B) investments for FY 2025-26 (old regime taxpayers only). Confirm regime election. |
| 31 Mar | MCA | Director KYC — triennial regime effective 31 Mar 2026. Reactivate deactivated DINs (DIR-3-KYC-Web with fee). Verify all director DINs for company clients. |
| 31 Mar | MCA | Hold Q4 board meeting (Oct–Mar quarter). Mandatory under s.173 — one meeting per quarter, max 120-day gap. |
| 31 Mar | SEBI | Update SCORES 2.0 compliance officer designation for listed companies and registered intermediaries. |
| 31 Mar | ICAI | Complete 20 structured CPE hours for FY 2025-26. Verify count on ICAI SSP (ssp.icai.org). Online webinars qualify. |
| 1 Apr | Direct Tax | Income-tax Rules 2026 effective — 150+ new forms in force. All ITR, TDS, SFT filings from this date use new forms. Update payroll systems, HRA computations (Hyderabad/Pune/Ahmedabad now 50%), and perquisite valuation templates. |
| 1 Apr | Direct Tax | PAN validation API: legacy batch utility deprecated. Confirm with software vendors that migration to new REST API is complete. |
| 1 Apr | Direct Tax | ITA 2025 TDS/TCS circular: update section references in payroll and billing systems. First April payments must use new section codes. |
| 1 Apr | GST | CGST Amendment Act 2025 provisions effective. Update credit note SOPs (post-sale discount) and intermediary service export processes. |
| 1 Apr | SEBI | SEBI (MF) Regulations 2026 effective — TER rationalisation and performance-linked fees. Review updated TERs for all recommended schemes. Fund houses must update SIDs/KIMs. |
| 1 Apr | SEBI | AMFI large-cap/mid-cap universe update effective. Monitor portfolio rebalancing flows in April — fund house realignment within 30 days. |
| Apr series | SEBI | F&O weekly expiry shifts to Tuesday from April 2026 series. Update trading calendars and alert HNI F&O clients. |
| Ongoing | GST | DRC-03A: update GST appeal filing SOP — file DRC-03A to link pre-deposit before submitting appeal. Review existing appeals for correct linkage. |
| Ongoing | GST | P&H HC ratio: review clients with retrospective GST cancellation orders — challenge by writ if SCN did not propose retrospective date. |
| Ongoing | GST | HSN validation tightened at IRP: audit ERP item masters for 6-digit HSN accuracy and product description matching. |
| Ongoing | GST | E-way bill vs GSTR-3B mismatch: run reconciliation before March 3B filing. Pay DRC-03 with interest if genuine shortfall found. |
| Ongoing | Direct Tax | RSU/ESOP NRI clients: apply ITAT Mumbai ratio — apportion FTC on time basis (US service period / total vesting). Update Form 67 workings. |
| Ongoing | MCA | AS 22 (Pillar Two exception): update deferred tax workings and audit reports for FY 2025-26. Disclose Pillar Two scope assessment in notes for MNE group subsidiaries. |
| Ongoing | MCA | MCA Name Reservation Advisory: run phonetic name search before SPICe+/RUN. Obtain regulatory NOC for restricted words (Bank, Insurance, etc.) before applying — adds 2–8 weeks. |
| Ongoing | MCA | IBC/Companies Act/LLP Act amendments: Cabinet-cleared — monitor Parliament passage for effective dates. Relevant for restructuring and compliance workflow planning. |
| Ongoing | SEBI | LODR Corrigendum: review corrected LODR Amendment provisions — update compliance register and board/audit committee approvals where needed. |
| Ongoing | ICAI | UDIN mandatory for Form 15CB from 01 Apr 2026. Update firm SOP — UDIN must be generated at time of signing, not post-issue. |
| Ongoing | ICAI | PRB Phase III window open: initiate application if firm does statutory audits of entities with turnover > ₹10 crore. Timeline: 3–6 months. |
| Ongoing | ICAI | GN on Audit of Banks 2026 Edition released — read before accepting FY 2025-26 bank statutory or branch audit. Key new areas: digital banking assurance, cybersecurity risk, DPDP Act, updated LFAR format. |
| Ongoing | ICAI | ISAS 11 Standards now mandatory for IS audit assignments. Non-compliance = professional misconduct. Register on ICAI ISAS portal for implementation guidance. |